Descriptive statistics for lifetime smoking and covariates
| n (%)* | |||||||
| Overall | Germany | Iceland | Italy | Poland | The Netherlands | UK | |
| Students | 16 551 (100) | 2754 (100) | 2664 (100) | 2668 (100) | 4105 (100) | 1423 (100) | 2937 (100) |
| Lifetime smoking | |||||||
| Never | 11 691 (71) | 2004 (73) | 2412 (91) | 1615 (61) | 2377 (58) | 970 (69) | 2313 (79) |
| A few puffs | 2104 (13) | 386 (14) | 144 (5) | 411 (15) | 700 (17) | 153 (11) | 310 (11) |
| 1–19 cigarettes | 1059 (6) | 175 (7) | 46 (2) | 198 (7) | 393 (10) | 115 (8) | 132 (4) |
| 20–100 cigarettes | 661 (4) | 88 (3) | 29 (1) | 146 (6) | 268 (7) | 64 (5) | 66 (2) |
| >100 cigarettes | 947 (6) | 81 (3) | 19 (1) | 288 (11) | 349 (8) | 102 (7) | 108 (4) |
| Socio-demographics | |||||||
| Gender | |||||||
| Female | 8088 (49) | 1338 (49) | 1272 (48) | 1179 (44) | 2153 (53) | 708 (51) | 1438 (49) |
| Male | 8390 (51) | 1410 (51) | 1378 (52) | 1485 (56) | 1944 (47) | 677 (49) | 1496 (51) |
| Age, mean (SD) | 13.4 (1.18) | 12.7 (1.06) | 13.1 (0.89) | 13.6 (1.37) | 14.2 (0.79) | 13.8 (1.36) | 13.0 (0.89) |
| Family affluence | |||||||
| Low | 1637 (10) | 231 (8) | 40 (2) | 364 (14) | 687 (17) | 29 (2) | 286 (10) |
| Medium | 6029 (36) | 1010 (37) | 556 (21) | 1210 (45) | 1728 (42) | 385 (27) | 1140 (39) |
| High | 8885 (54) | 1513 (55) | 2068 (77) | 1094 (41) | 1690 (41) | 1009 (71) | 1511 (51) |
| Personal characteristics | |||||||
| School performance | |||||||
| Below average | 1253 (8) | 171 (6) | 113 (4) | 390 (15) | 368 (9) | 122 (9) | 89 (3) |
| Average | 5493 (33) | 1212 (44) | 652 (25) | 1042 (39) | 1576 (39) | 407 (29) | 604 (21) |
| Good | 6934 (42) | 1107 (40) | 1146 (43) | 1040 (39) | 1452 (35) | 695 (49) | 1494 (51) |
| Excellent | 2790 (17) | 256 (10) | 735 (28) | 187 (7) | 693 (17) | 178 (13) | 741 (25) |
| TV screen time | |||||||
| ≤half an hour | 3763 (23) | 679 (25) | 777 (29) | 523 (20) | 791 (19) | 331 (24) | 662 (22) |
| 1–2 h | 8424 (51) | 1434 (52) | 1449 (55) | 1271 (48) | 2011 (49) | 803 (57) | 1456 (50) |
| 3–4 h | 3190 (19) | 454 (17) | 332 (13) | 617 (23) | 969 (24) | 232 (17) | 586 (20) |
| >4 h | 1099 (7) | 173 (6) | 83 (3) | 252 (9) | 328 (8) | 35 (2) | 228 (8) |
| No. of movies seen, mean (SD), range 0–50 | 21.21 (9.04) | 16.46 (8.34) | 24.84 (8.51) | 20.54 (8.42) | 22.81 (9.47) | 16.74 (7.93) | 22.88 (7.75) |
| Sensation seeking and rebelliousness, mean (SD), range 0–4 | 1.31 (0.74) | 1.21 (0.72) | 1.0 (0.69) | 1.43 (0.75) | 1.53 (0.74) | 1.01 (0.59) | 1.40 (0.73) |
| Social environment | |||||||
| Peer smoking | |||||||
| None | 6790 (41) | 1545 (57) | 2084 (79) | 534 (20) | 446 (11) | 582 (41) | 1599 (54) |
| A few | 4467 (27) | 723 (26) | 395 (14) | 637 (24) | 1496 (36) | 366 (26) | 850 (29) |
| Some | 2970 (18) | 311 (11) | 123 (5) | 759 (29) | 1182 (29) | 313 (22) | 282 (10) |
| Most/all | 2247 (14) | 159 (6) | 41 (2) | 727 (27) | 971 (24) | 148 (11) | 201 (7) |
| Mother figure smoking | |||||||
| No | 11970 (73) | 1812 (67) | 2191 (83) | 2007 (75) | 2715 (66) | 1165 (83) | 2080 (71) |
| Yes | 4499 (27) | 908 (33) | 456 (17) | 655 (25) | 1384 (34) | 247 (17) | 849 (29) |
| Father figure smoking | |||||||
| No | 10949 (66) | 1692 (62) | 2077 (79) | 1669 (63) | 2352 (57) | 1125 (80) | 2034 (69) |
| Yes | 5541 (34) | 1052 (38) | 567 (21) | 991 (37) | 1748 (43) | 289 (20) | 894 (31) |
| Any sibling smoking | |||||||
| No | 13583 (82) | 2276 (83) | 2220 (84) | 2199 (83) | 3220 (79) | 1246 (88) | 2422 (83) |
| Yes | 2885 (18) | 456 (17) | 418 (16) | 463 (17) | 875 (21) | 165 (12) | 508 (17) |
* Variations in n are owing to missing values.