Table 1 Descriptive characteristics of the study sample at ages 12 and 15 years (n = 363)
From: Longitudinal changes in sedentary time and physical activity during adolescence
12 years | 15 years | ||||
|---|---|---|---|---|---|
Females | Males | Females | Males | ||
Number of participants | 223 | 140 | 223 | 140 | |
Age (mean (SD)) | 12.0 (0.4) | 12.0 (0.4) | 15.4 (0.5) | 15.3 (0.5) | |
BMI (mean (SD)) | 19.6 (3.8) Range 13.3 to 37.2 | 18.4 (2.9) Range 14.0 to 29.5 | 21.5 (5.5) Range 15.9 to 39.8 | 20.6 (3.5) Range 15.1 to 34.6 | |
BMI | Healthy weight (n (%)) | 171 (76.7) | 119 (85) | 159 (76.8) | 111 (84.7) |
Overweight (n (%)) | 41 (18.4) | 16 (11.4) | 34 (16.4) | 14 (10.7) | |
Obese (n (%)) | 11 (5.0) | 5 (4.0) | 14 (6.8) | 6 (4.6) | |
IMD score | Lower (least deprived) (n (%)) | 113 (60.1) | 76.35 (65.0) | 113 (60.1) | 76.35 (65.0) |
Middle (n (%)) | 57 (30.3) | 35 (29.9) | 57 (30.3) | 35 (29.9) | |
Upper (most deprived) (n (%)) | 18 (9.6) | 6 (5.13) | 18 (9.6) | 6 (5.1) | |