Table 1.
Characteristics of tenth-grade students (15–16yearold) in lower secondary schools in the district of Oppland, Norway.
| 2002 n = 1596 |
2017 n = 1534 |
|
|---|---|---|
| Boys | 818 (51.3) | 734 (47.8) |
| Age; years, mean (SD a) | 15.9 (0.3) | 15.8 (0.3) |
| Weight; kg, mean (SD) | 62.4 (11.1) | 63.5 (11.4) |
| Height; cm, mean (SD) | 171.6 (8.5) | 171.9 (8.6) |
| BMIb; mean (SD) | 21.1 (3.0) | 21.4 (3.1) |
| SSS c | ||
| Poor | 57 (3.6) | 62 (4.0) |
| Average | 620 (38.9) | 469 (30.6) |
| Good | 842 (52.8) | 832 (54.2) |
| Very good | 77 (4.8) | 171 (10.7) |
| Sodas d | ||
| Seldom/never | 169 (10.6.) | 437 (28.5) |
| 1–6 glasses weekly | 837 (52.4) | 893 (58.2) |
| 1 glass daily | 234 (14.7) | 111 (7.2) |
| 2–3 glasses daily | 235(14.7) | 70 (4.6) |
| ≥4 glasses daily | 121 (7.6) | 23 (1.5) |
| Smoking e | ||
| Never | 993 (62.2) | 1336 (87.1) |
| Used to, but quit | 151 (9.5) | 92 (6.0) |
| Occasionally | 236 (14.8) | 97 (6.3) |
| Daily | 216 (13.5) | 9 (0.6) |
| Snuff f | ||
| Never | 1337 (83.8) | 1310 (85.4) |
| Used to, but quit | 78 (4.9) | 89 (5.8) |
| Occasionally | 142 (8.9) | 75 (4.9) |
| Daily | 39 (2.4) | 60 (3.9) |
| Alcohol g | ||
| No | 209 (13.0) | 650 (42.4) |
| Yes | 1397 (87.0) | 884 (57.6) |
| Exercise h | ||
| 0 | 150 (9.4) | 149 (9.7) |
| 1–2 | 362 (22.7) | 346 (22.6) |
| 3–4 | 417 (26.1) | 308 (20.1) |
| 5–7 | 362 (22.7) | 352 (22.9) |
| 8–10 | 190 (11.9) | 227 (14.8) |
| ≥11 | 115 (7.2) | 152 (9.9) |
Data are presented as n (%) unless indicated otherwise. a SD = Standard deviation. b BMI = Body Mass Index, kg/m2. c SSS = Subjective Social Status, i.e., perceived family economy. d Consumption of sugar-sweetened carbonated sodas. e Cigarette smoking. f Use of snuff. g Ever drunk alcohol. h Hours of weekly leisure-time work-out.