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{"sheet":"Trend","index":0,"n_rows":0,"n_cols":0,"rows_kept":0,"cut":false,"hidden":false,"merged":[]}

{"sheet":"2022","index":1,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":false,"merged":[[28,0,28,1],[24,0,24,1],[25,0,25,1],[22,0,22,15],[13,0,13,1],[15,0,15,1],[16,0,16,1],[18,0,19,0],[20,0,21,0],[5,0,5,1],[7,0,7,1],[9,0,9,1],[10,0,10,1],[12,0,12,1],[2,0,2,15],[3,0,4,1],[3,14,3,15],[3,2,3,5],[3,6,3,9],[3,10,3,13]]}
[]
[]
["Parents \"are aware\": who your friends are (HBSC 2022, in %)"]
[null,null,"they know a lot",null,null,null,"they know a little",null,null,null,"they doesn't know anything",null,null,null,"Total"]
[null,null,"n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%"]
[null,null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Total","",2497,76.949152542372872,75.159359999999992,78.646619999999999,714,22.003081664098616,20.351479999999999,23.748749999999998,34,1.0477657935285054,0.74517,1.47142,3245,100]
[" ",null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Sex/gender*"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys",null,1150,73.108709472345836,70.480549999999994,75.583939999999998,402,25.556261919898283,23.131,28.142719999999997,21,1.3350286077558804,0.86917,2.04542,1573,100]
["Girls",null,1347,80.562200956937801,78.425449999999998,82.534450000000007,312,18.660287081339714,16.757899999999999,20.724869999999999,13,0.77751196172248804,0.45890999999999998,1.3143800000000001,1672,100]
["Age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["14",null,1234,76.266996291718172,73.934060000000002,78.451979999999992,366,22.620519159456119,20.494530000000001,24.89798,18,1.1124845488257107,0.71992,1.7154200000000002,1618,100]
["15",null,1263,77.62753534111863,75.074909999999988,79.988420000000005,348,21.389059618930549,19.076329999999999,23.899370000000001,16,0.98340503995082962,0.59304999999999997,1.6265100000000001,1627,100]
["Linguistic region**"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["German-speaking part of Switzerland",null,1697,80.426540284360186,78.425460000000001,82.283940000000001,391,18.530805687203792,16.762889999999999,20.43939,22,1.0426540284360191,0.6784,1.5993299999999999,2110,100]
["French- and Italian-speaking parts of Switzerland",null,800,70.484581497797365,67.397980000000004,73.394320000000008,323,28.458149779735681,25.546970000000002,31.56044,12,1.0572687224669604,0.60458999999999996,1.8426100000000001,1135,100]
["Sex/gender* and age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys","14",588,74.524714828897345,71.174390000000002,77.608149999999995,194,24.588086185044361,21.51315,27.94603,7,0.88719898605830161,0.43292000000000003,1.8095199999999998,789,100]
[null,"15",562,71.683673469387756,67.924569999999989,75.16331000000001,208,26.530612244897959,23.179749999999999,30.175600000000003,14,1.7857142857142856,1.0324500000000001,3.0714899999999998,784,100]
["Girls","14",646,77.925211097708086,74.657359999999997,80.879599999999996,172,20.747889022919182,17.912330000000001,23.901620000000001,11,1.3268998793727382,0.74400999999999995,2.3556299999999997,829,100]
[null,"15",701,83.155397390272839,80.237790000000004,85.71893,140,16.607354685646499,14.06174,19.509180000000001,2,0.23724792408066431,5.9889999999999999E-2,0.93500000000000005,843,100]
["Notes: The percentages and number of cases are based on unweighted data. With the exception of sex/gender and age subgroups (e.g., 11-year-old girls), the percentages may be slighty biased in relation to the sex/gender and age structure of the actual corresponding population in 2022.\nCI: lower and upper limits of the 95% confidence interval. They indicate with 95% probability the range of values in which the true value lies.\n*Based on the question 'Are you a boy or a girl?'. Therefore, it is not possible to know whether pupils answered the question in reference to their birth-registered sex or their gender identity.\n**Defined according to the language of the questionnaire - German, French or Italian - filled in by the pupils, itself based on the official language of the commune where the school/class is located. Classes in the Romansh linguistic region received the German version of the questionnaire. Pupils from these classes are therefore included in the category 'German-speaking Switzerland'.\nResults with fewer than 30 cases may have a relatively large random error and are therefore put in parentheses. Results with less than 10 cases are not showed.\nThe following question was submitte: 'If you think of your mother, father or other adults you live with, what do they know about the following: who your friends are ?'\nThe following response categories were provided: 'they know a lot', 'they know a little', 'they doesn't know anything'"]
[]
["LINK to the research report"]
["LINK to the methodology report"]
[]
["Source : Health Behaviour in School-aged Children (HBSC Switzerland)"]
["© Addiction Switzerland, 2023"]

{"sheet":"2018","index":2,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":false,"merged":[[28,0,28,1],[24,0,24,1],[25,0,25,1],[22,0,22,15],[13,0,13,1],[15,0,15,1],[16,0,16,1],[18,0,19,0],[20,0,21,0],[5,0,5,1],[7,0,7,1],[9,0,9,1],[10,0,10,1],[12,0,12,1],[2,0,2,15],[3,0,4,1],[3,14,3,15],[3,2,3,5],[3,6,3,9],[3,10,3,13]]}
[]
[]
["Parents \"are aware\": who your friends are (HBSC 2018, in %)"]
[null,null,"they know a lot",null,null,null,"they know a little",null,null,null,"they doesn't know anything",null,null,null,"Total"]
[null,null,"n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%"]
[null,null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Total","",2861,75.171527386760445,73.381100000000004,76.879470000000012,880,23.410174685876502,21.783250000000002,25.119590000000002,52,1.4182979273646421,1.0582100000000001,1.8985599999999998,3793,100]
[" ",null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Sex/gender*"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys",null,1263,69.190502558868744,66.630409999999998,71.637789999999995,531,29.135152931121606,26.749299999999998,31.64188,30,1.6743445100108576,1.1525399999999999,2.42659,1824,100]
["Girls",null,1598,81.12525436999924,79.255070000000003,82.863290000000006,349,17.71132566953041,16.065860000000001,19.486190000000001,22,1.1634199604720865,0.77395000000000003,1.7454399999999999,1969,100]
["Age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["14",null,1489,75.926665145576948,73.745450000000005,77.980769999999993,445,23.139658587098587,21.1647,25.239899999999999,18,0.93367626732680686,0.58572000000000002,1.48525,1952,100]
["15",null,1372,74.502093563964181,71.883989999999997,76.954570000000004,435,23.649988711884358,21.345790000000001,26.120310000000003,34,1.8479177241524269,1.2761099999999999,2.6690200000000002,1841,100]
["Linguistic region**"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["German-speaking part of Switzerland",null,2140,79.866687072055157,78.146249999999995,81.483779999999996,508,19.156242885768304,17.540659999999999,20.882940000000001,25,0.97707004217778815,0.66183999999999998,1.4402599999999999,2673,100]
["French- and Italian-speaking parts of Switzerland",null,721,63.75861704986869,60.272289999999998,67.105969999999999,372,33.750556157019169,30.676829999999999,36.968029999999999,27,2.4908267931123338,1.6349700000000003,3.7775000000000003,1120,100]
["Sex/gender* and age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys","14",626,70.179372197308695,66.737960000000001,73.406610000000001,256,28.699551569506603,25.562069999999999,32.056289999999997,10,1.1210762331838517,0.61301000000000005,2.0415800000000002,892,100]
[null,"15",637,68.347639484978728,64.739109999999997,71.748040000000003,275,29.506437768240769,26.24776,32.988720000000001,20,2.1459227467811557,1.357,3.3777900000000001,932,100]
["Girls","14",863,81.415094339622627,79.06134999999999,83.559269999999998,189,17.830188679245246,15.763659999999998,20.102969999999999,8,0.75471698113207142,0.38033,1.49211,1060,100]
[null,"15",735,80.858085808580455,77.932100000000005,83.478359999999995,160,17.601760176017358,15.1,20.418330000000001,14,1.5401540154015139,0.91768000000000005,2.57389,909,100]
["Notes: The percentages are based on weighted data according to the sex/gender and age structure of the Swiss permanent resident population of the relevant year (according to FSO). Data on the number of cases (n) are not weighted.\nCI: lower and upper limits of the 95% confidence interval. They indicate with 95% probability the range of values in which the true value lies.\n*Based on the question 'Are you a boy or a girl?'. Therefore, it is not possible to know whether pupils answered the question in reference to their birth-registered sex or their gender identity.\n**Defined according to the language of the questionnaire - German, French or Italian - filled in by the pupils, itself based on the official language of the commune where the school/class is located. Classes in the Romansh linguistic region received the German version of the questionnaire. Pupils from these classes are therefore included in the category 'German-speaking Switzerland'.\nResults with fewer than 30 cases may have a relatively large random error and are therefore put in parentheses. Results with less than 10 cases are not showed.\nThe following question was submitte: 'If you think of your mother, father or other adults you live with, what do they know about the following: who your friends are ?'\nThe following response categories were provided: 'they know a lot', 'they know a little', 'they doesn't know anything'"]
[]
["LINK to the research report"]
["LINK to the methodology report"]
[]
["Source : Health Behaviour in School-aged Children (HBSC Switzerland)"]
["© Addiction Switzerland, 2023"]

{"sheet":"2014","index":3,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":false,"merged":[[28,0,28,1],[24,0,24,1],[25,0,25,1],[22,0,22,15],[13,0,13,1],[15,0,15,1],[16,0,16,1],[18,0,19,0],[20,0,21,0],[5,0,5,1],[7,0,7,1],[9,0,9,1],[10,0,10,1],[12,0,12,1],[2,0,2,15],[3,0,4,1],[3,14,3,15],[3,2,3,5],[3,6,3,9],[3,10,3,13]]}
[]
[]
["Parents \"are aware\": who your friends are (HBSC 2014, in %)"]
[null,null,"they know a lot",null,null,null,"they know a little",null,null,null,"they doesn't know anything",null,null,null,"Total"]
[null,null,"n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%"]
[null,null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Total","",2788,76.500596224115824,74.744479999999996,78.170270000000002,810,22.425602602190363,20.788799999999998,24.151990000000001,39,1.0738011736925366,0.78044000000000002,1.4757899999999999,3637,100]
[" ",null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Sex/gender*"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys",null,1266,71.45007427971936,68.908420000000007,73.862769999999998,486,27.353399306789978,24.978429999999999,29.86429,21,1.1965264134909086,0.79340999999999995,1.8007299999999999,1773,100]
["Girls",null,1522,81.711342634579978,79.650149999999996,83.606729999999999,324,17.341474808534258,15.52121,19.32638,18,0.947182556885658,0.60045999999999999,1.4911000000000001,1864,100]
["Age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["14",null,1435,75.951816958354513,73.412219999999991,78.320480000000003,426,22.987818923826815,20.695250000000001,25.452839999999998,20,1.0603641178190246,0.67959999999999998,1.6509200000000002,1881,100]
["15",null,1353,76.983260589700279,74.874750000000006,78.964529999999996,384,21.931120027623702,19.978170000000002,24.017669999999999,19,1.0856193826759237,0.68798999999999999,1.7091100000000001,1756,100]
["Linguistic region**"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["German-speaking part of Switzerland",null,2079,80.154614430197313,78.30901999999999,81.879509999999996,483,18.849047064659359,17.191369999999999,20.626749999999998,26,0.99633850514264077,0.67076000000000002,1.4776100000000001,2588,100]
["French- and Italian-speaking parts of Switzerland",null,709,67.372774694904507,63.986739999999998,70.586789999999993,327,31.359920603554354,28.101490000000002,34.813229999999997,13,1.2673047015412602,0.73930999999999991,2.1641699999999999,1049,100]
["Sex/gender* and age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys","14",627,70.767494356659384,67.214160000000007,74.084209999999999,250,28.216704288939624,25.030599999999996,31.637219999999999,9,1.0158013544018263,0.53740999999999994,1.91187,886,100]
[null,"15",639,72.040586245772275,68.837389999999999,75.033940000000001,236,26.606538895152227,23.667719999999999,29.767959999999999,12,1.3528748590755435,0.77780000000000005,2.3431099999999998,887,100]
["Girls","14",808,81.206030150753818,78.43638,83.69389000000001,176,17.688442211055463,15.30738,20.35089,11,1.105527638190966,0.62183999999999995,1.9580400000000002,995,100]
[null,"15",714,82.163406214039028,79.426929999999999,84.606440000000006,148,17.031070195626953,14.657390000000001,19.700419999999998,7,0.8055235903337078,0.38819000000000004,1.6640499999999998,869,100]
["Notes: The percentages are based on weighted data according to the sex/gender and age structure of the Swiss permanent resident population of the relevant year (according to FSO). Data on the number of cases (n) are not weighted.\nCI: lower and upper limits of the 95% confidence interval. They indicate with 95% probability the range of values in which the true value lies.\n*Based on the question 'Are you a boy or a girl?'. Therefore, it is not possible to know whether pupils answered the question in reference to their birth-registered sex or their gender identity.\n**Defined according to the language of the questionnaire - German, French or Italian - filled in by the pupils, itself based on the official language of the commune where the school/class is located. Classes in the Romansh linguistic region received the German version of the questionnaire. Pupils from these classes are therefore included in the category 'German-speaking Switzerland'.\nResults with fewer than 30 cases may have a relatively large random error and are therefore put in parentheses. Results with less than 10 cases are not showed.\nThe following question was submitte: 'If you think of your mother, father or other adults you live with, what do they know about the following: who your friends are ?'\nThe following response categories were provided: 'they know a lot', 'they know a little', 'they doesn't know anything'"]
[]
["LINK to the research report"]
["LINK to the methodology report"]
[]
["Source : Health Behaviour in School-aged Children (HBSC Switzerland)"]
["© Addiction Switzerland, 2023"]

{"sheet":"2010","index":4,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":false,"merged":[[28,0,28,1],[24,0,24,1],[25,0,25,1],[22,0,22,15],[13,0,13,1],[15,0,15,1],[16,0,16,1],[18,0,19,0],[20,0,21,0],[5,0,5,1],[7,0,7,1],[9,0,9,1],[10,0,10,1],[12,0,12,1],[2,0,2,15],[3,0,4,1],[3,14,3,15],[3,2,3,5],[3,6,3,9],[3,10,3,13]]}
[]
[]
["Parents \"are aware\": who your friends are (HBSC 2010, in %)"]
[null,null,"they know a lot",null,null,null,"they know a little",null,null,null,"they doesn't know anything",null,null,null,"Total"]
[null,null,"n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%"]
[null,null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Total","",2583,73.443606220149334,71.697710000000001,75.11918,843,24.199297456726686,22.599689999999999,25.874279999999999,81,2.3570963231227,1.8622099999999999,2.9795100000000003,3507,100]
[" ",null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Sex/gender*"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys",null,1159,68.047367770961159,65.571870000000004,70.425150000000002,483,28.461475596500403,26.172129999999999,30.867349999999998,59,3.4911566325415735,2.70174,4.5005600000000001,1701,100]
["Girls",null,1424,78.841306502179194,76.891800000000003,80.667699999999996,360,19.935964699340619,18.17934,21.817070000000001,22,1.2227287984807802,0.81779000000000002,1.8244900000000002,1806,100]
["Age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["14",null,1268,74.421728733526919,72.068380000000005,76.64106000000001,398,23.495023114956009,21.31691,25.822650000000003,35,2.0832481515184602,1.4517100000000001,2.98122,1701,100]
["15",null,1315,72.619915365767042,70.065669999999997,75.033870000000007,445,24.792376878131446,22.470190000000002,27.270139999999998,46,2.5877077561036983,1.9222399999999999,3.4753899999999995,1806,100]
["Linguistic region**"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["German-speaking part of Switzerland",null,1917,75.467320481027571,73.38794,77.434190000000001,554,22.003085601930756,20.207459999999998,23.91046,63,2.5295939170410819,1.93346,3.3033399999999999,2534,100]
["French- and Italian-speaking parts of Switzerland",null,666,68.119665043112192,65.223160000000007,70.882620000000003,289,29.977041357279905,27.075800000000001,33.048270000000002,18,1.9032935996080846,1.1710500000000001,3.0791400000000002,973,100]
["Sex/gender* and age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys","14",569,69.730392156862493,66.084509999999995,73.143619999999999,222,27.205882352940687,23.908329999999999,30.7743,25,3.0637254901960378,2.0284300000000002,4.6025999999999998,816,100]
[null,"15",590,66.6666666666666,63.275139999999993,69.894009999999994,261,29.491525423728703,26.335150000000002,32.857469999999999,34,3.8418079096044866,2.8046499999999996,5.2418199999999997,885,100]
["Girls","14",699,78.983050847457633,76.236490000000003,81.489249999999998,176,19.887005649717558,17.385680000000001,22.649540000000002,10,1.1299435028248657,0.61663999999999997,2.0616700000000003,885,100]
[null,"15",725,78.718783930510909,75.708200000000005,81.447680000000005,184,19.97828447339888,17.397919999999999,22.835549999999998,12,1.3029315960912311,0.75135000000000007,2.2502599999999999,921,100]
["Notes: The percentages are based on weighted data according to the sex/gender and age structure of the Swiss permanent resident population of the relevant year (according to FSO). Data on the number of cases (n) are not weighted.\nCI: lower and upper limits of the 95% confidence interval. They indicate with 95% probability the range of values in which the true value lies.\n*Based on the question 'Are you a boy or a girl?'. Therefore, it is not possible to know whether pupils answered the question in reference to their birth-registered sex or their gender identity.\n**Defined according to the language of the questionnaire - German, French or Italian - filled in by the pupils, itself based on the official language of the commune where the school/class is located. Classes in the Romansh linguistic region received the German version of the questionnaire. Pupils from these classes are therefore included in the category 'German-speaking Switzerland'.\nResults with fewer than 30 cases may have a relatively large random error and are therefore put in parentheses. Results with less than 10 cases are not showed.\nThe following question was submitte: 'If you think of your mother, father or other adults you live with, what do they know about the following: who your friends are ?'\nThe following response categories were provided: 'they know a lot', 'they know a little', 'they doesn't know anything'"]
[]
["LINK to the research report"]
["LINK to the methodology report"]
[]
["Source : Health Behaviour in School-aged Children (HBSC Switzerland)"]
["© Addiction Switzerland, 2023"]

{"sheet":"2006","index":5,"n_rows":29,"n_cols":16,"rows_kept":29,"cut":false,"hidden":false,"merged":[[28,0,28,1],[24,0,24,1],[25,0,25,1],[22,0,22,15],[13,0,13,1],[15,0,15,1],[16,0,16,1],[18,0,19,0],[20,0,21,0],[5,0,5,1],[7,0,7,1],[9,0,9,1],[10,0,10,1],[12,0,12,1],[2,0,2,15],[3,0,4,1],[3,14,3,15],[3,2,3,5],[3,6,3,9],[3,10,3,13]]}
[]
[]
["Parents \"are aware\": who your friends are (HBSC 2006, in %)"]
[null,null,"they know a lot",null,null,null,"they know a little",null,null,null,"they doesn't know anything",null,null,null,"Total"]
[null,null,"n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%","Lower limit CI","Upper limit CI ","n","%"]
[null,null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Total","",2366,73.78254677163784,72.045439999999999,75.448499999999996,762,24.002646226307213,22.439260000000001,25.638949999999998,69,2.2148070020549713,1.7755099999999999,2.7597400000000003,3197,100]
[" ",null,"","",null,null,"","",null,null,"","",null,null,"",""]
["Sex/gender*"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys",null,1075,68.426107949923775,65.956879999999998,70.795540000000003,446,28.483821995583213,26.193359999999998,30.890740000000001,48,3.0900700544919575,2.3962699999999999,3.9765700000000002,1569,100]
["Girls",null,1291,79.379182117988151,77.131119999999996,81.45938000000001,316,19.320522983925979,17.31035,21.503430000000002,21,1.300294898086559,0.85746,1.96729,1628,100]
["Age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["14",null,1177,74.100558259835907,71.669000000000011,76.392170000000007,375,23.955361773109903,21.749370000000003,26.309870000000004,30,1.9440799670555065,1.3669799999999999,2.758,1582,100]
["15",null,1189,73.529512877035444,71.036619999999999,75.880690000000001,387,24.04026929902842,21.867710000000002,26.355859999999996,39,2.4302178239353633,1.81871,3.2405499999999998,1615,100]
["Linguistic region**"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["German-speaking part of Switzerland",null,1686,76.930422012750782,75.031360000000006,78.725989999999996,452,20.932878240437734,19.282609999999998,22.68469,45,2.1366997468117779,1.6364799999999999,2.7855000000000003,2183,100]
["French- and Italian-speaking parts of Switzerland",null,680,66.787974868346694,63.658630000000002,69.775790000000001,310,30.823663979220424,27.997480000000003,33.801209999999998,24,2.3883611524329313,1.6080099999999999,3.5338099999999999,1014,100]
["Sex/gender* and age"," ","","",null,null,"","",null,null,"","",null,null,"",""]
["Boys","14",527,69.708994708994638,66.287459999999996,72.925110000000004,209,27.645502645502496,24.564800000000002,30.95402,20,2.6455026455026212,1.7114,4.0683499999999997,756,100]
[null,"15",548,67.404674046741249,63.796810000000001,70.817459999999997,237,29.151291512915783,25.909880000000001,32.619680000000002,28,3.4440344403444789,2.4573200000000002,4.8074199999999996,813,100]
["Girls","14",650,78.692493946731176,75.452650000000006,81.608959999999996,166,20.096852300241931,17.22982,23.306619999999999,10,1.2106537530266224,0.66542999999999997,2.1927599999999998,826,100]
[null,"15",641,79.925187032418847,76.886690000000002,82.654360000000011,150,18.703241895261616,16.130040000000001,21.581310000000002,11,1.3715710723191852,0.76753000000000005,2.4393099999999999,802,100]
["Notes: The percentages are based on weighted data according to the sex/gender and age structure of the Swiss permanent resident population of the relevant year (according to FSO). Data on the number of cases (n) are not weighted.\nCI: lower and upper limits of the 95% confidence interval. They indicate with 95% probability the range of values in which the true value lies.\n*Based on the question 'Are you a boy or a girl?'. Therefore, it is not possible to know whether pupils answered the question in reference to their birth-registered sex or their gender identity.\n**Defined according to the language of the questionnaire - German, French or Italian - filled in by the pupils, itself based on the official language of the commune where the school/class is located. Classes in the Romansh linguistic region received the German version of the questionnaire. Pupils from these classes are therefore included in the category 'German-speaking Switzerland'.\nResults with fewer than 30 cases may have a relatively large random error and are therefore put in parentheses. Results with less than 10 cases are not showed.\nThe following question was submitte: 'If you think of your mother, father or other adults you live with, what do they know about the following: who your friends are ?'\nThe following response categories were provided: 'they know a lot', 'they know a little', 'they doesn't know anything'"]
[]
["LINK to the research report"]
["LINK to the methodology report"]
[]
["Source : Health Behaviour in School-aged Children (HBSC Switzerland)"]
["© Addiction Switzerland, 2023"]