Table 2 Distribution of BMI for each sex and age group in the two study- populations NHS and Young- HUNT
From: Changes in BMI-distribution from 1966–69 to 1995–97 in adolescents. The Young-HUNT study, Norway
Age | Mean Body Mass Index | |||||
|---|---|---|---|---|---|---|
NHS (66/69) | Young-HUNT (95/97) | Difference | ||||
Mean | SD | Mean | SD | Diff. | P | |
Boys | ||||||
14 | 19.7 | 2.3 | 20.4 | 3.1 | 0.7 | <.001 |
15 | 20.6 | 2.2 | 21.0 | 2.9 | 0.4 | <.001 |
16 | 21.1 | 2.3 | 21.5 | 3.0 | 0.4 | <.001 |
17 | 21.6 | 2.1 | 22.3 | 3.3 | 0.7 | <.001 |
18 | 22.2 | 2.2 | 22.9 | 3.3 | 0.7 | <.001 |
Girls | ||||||
14 | 20.6 | 2.4 | 20.8 | 3.1 | 0.2 | .261 |
15 | 21.1 | 2.7 | 21.3 | 3.0 | 0.2 | .147 |
16 | 21.6 | 2.7 | 21.8 | 3.2 | 0.2 | .261 |
17 | 22.0 | 2.7 | 22.3 | 3.1 | 0.3 | .061 |
18 | 22.2 | 2.6 | 22.8 | 3.6 | 0.6 | .002 |