Description of study samples by country and for the total sample
| Armenia (n=4448) | Belgium (n=4214) | Canada (n=12 523) | Czechia (n=11 392) | Latvia (n=4372) | Moldova (n=4614) | Poland (n=5164) | Russia (n=4131) | Slovakia (n=4571) | Total sample (n=55 429) | |
| Individual characteristics | ||||||||||
| Sex (n, %) | ||||||||||
| Boys | 2155 (48.4) | 2067 (49.1) | 6111 (48.8) | 5676 (49.8) | 2159 (49.4) | 2310 (50.1) | 2531 (49.0) | 1969 (47.7) | 2333 (51.0) | 27 351 (49.3) |
| Girls | 2293 (51.6) | 2147 (50.9) | 6412 (51.2) | 5716 (50.2) | 2213 (50.6) | 2304 (49.4) | 2633 (51.0) | 2162 (52.3) | 2238 (49.0) | 28 078 (50.7) |
| Age category (n, %) | ||||||||||
| 11 | 1396 (31.4) | 1614 (38.3) | 3451 (27.9) | 3720 (32.7) | 1519 (34.9) | 1556 (33.7) | 1682 (32.6) | 1118 (27.1) | 1530 (33.5) | 17 586 (31.8) |
| 13 | 1570 (35.3) | 1203 (28.5) | 4735 (38.3) | 3899 (34.2) | 1501 (34.5) | 1524 (33.0) | 1706 (33.1) | 1303 (31.5) | 1808 (39.6) | 19 249 (34.8) |
| 15 | 1482 (33.3) | 1397 (33.2) | 4186 (33.8) | 3773 (33.1) | 1336 (30.7) | 1534 (33.2) | 1769 (34.3) | 1710 (41.4) | 1233 (27.0) | 18 420 (33.3) |
| Family structure (n, %) | ||||||||||
| Nuclear family | 3487 (90.0) | 2746 (68.8) | 8449 (68.8) | 7615 (69.8) | 2685 (62.1) | 3213 (71.0) | 3987 (77.8) | 2817 (68.6) | 2730 (74.4) | 37 729 (71.4) |
| Single-parent family | 355 (9.2) | 770 (19.3) | 2250 (18.3) | 1824 (16.7) | 1019 (23.5) | 896 (19.8) | 804 (15.7) | 718 (17.5) | 580 (15.8) | 9216 (17.4) |
| Stepfamily | 13 (0.3) | 378 (9.5) | 1190 (9.7) | 1154 (10.6) | 451 (10.4) | 182 (4.0) | 244 (4.8) | 499 (12.1) | 248 (6.8) | 4359 (8.3) |
| Non-parental family | 18 (0.5) | 100 (2.5) | 392 (3.2) | 317 (2.9) | 172 (4.0) | 237 (5.2) | 89 (1.7) | 75 (1.8) | 111 (3.0) | 1511 (2.9) |
| Social support (M, SD) | ||||||||||
| Family support* | 5.92 (1.79) | 5.87 (1.50) | 5.04 (1.82) | 5.05 (2.22) | 5.55 (1.76) | 5.76 (1.96) | 5.51 (1.53) | 5.55 (1.76) | 5.79 (1.65) | 5.41 (1.89) |
| Peer support* | 5.53 (1.87) | 5.61 (1.49) | 4.87 (1.79) | 4.65 (2.04) | 4.90 (1.73) | 4.94 (1.91) | 4.46 (1.65) | 4.62 (1.94) | 5.16 (1.76) | 4.90 (1.86) |
| Subjective well-being (M, SD) | ||||||||||
| Life satisfaction† | 8.35 (1.77) | 7.80 (1.42) | 7.32 (1.95) | 7.78 (1.74) | 7.40 (1.93) | 8.25 (1.69) | 7.48 (1.94) | 7.43 (2.03) | 7.64 (1.83) | 7.67 (1.86) |
| Somatic complaints‡ | 2.30 (3.09) | 2.92 (2.93) | 3.48 (3.46) | 2.70 (2.75) | 3.33 (3.55) | 3.39 (3.47) | 3.08 (3.09) | 3.37 (3.57) | 3.28 (3.24) | 3.11 (3.25) |
| Psychological complaints‡ | 4.50 (4.08) | 5.00 (3.61) | 5.20 (4.12) | 5.72 (3.91) | 5.67 (4.38) | 4.69 (4.07) | 6.02 (4.29) | 4.39 (4.19) | 5.47 (3.75) | 5.27 (4.08) |
| Self-rated health§ | 1288 (29.5%) | 1063 (25.4%) | 3716 (30.1%) | 2706 (23.8%) | 934 (21.4%) | 1411 (30.6%) | 1127 (21.9%) | 1256 (30.7%) | 1245 (27.3%) | 14 746 (26.8%) |
Nine countries from the 2017/2018 HBSC survey (n=55 429).
Data for social support and subjective well-being from Canada and Czechia were weighted using poststratification regional weights. Number of missing values in the total sample was: age category (173 cases ; 0.3% of the total sample), family structure (2614; 4.7%), family support (3941; 7.1%), peer support (2498; 4.5%), life satisfaction (744; 1.34%), somatic complaints (2190; 4.0%), psychological complaints (2249; 4.1%) and self-rated health (404; 0.7%).
*Range: 1–7.
†Range: 0–10.
‡Range: 0–16.
§n and % for excellent self-rated health.
HBSC, Health Behaviour in School-aged Children; M, mean; SD, standard deviation.