Table 3 Multivariate relationship between health care costs and physical activity among adolescents (n = 85)
GLM—Gamma (dependent variable: overall health care costs [US$]) | ||||
|---|---|---|---|---|
Model—1 | Model—2 | Model—3 | Model—4 | |
Independent variable | (β 95%CI) | (β 95%CI) | (β 95%CI) | (β 95%CI) |
Vigorous PA (min/day) | -0.073(-0.097; -0.048)* | -0.063(-0.089; -0.036)* | -0.059(-0.087; -0.031)* | -0.060(-0.089; -0.031)* |
Cofounders | ||||
Sex (girl = 0 / boy = 1) | 0.001 (-0.773; 0.774) | -0.393 (-1.322; 0.536) | -0.492 (-1.667; 0.683) | |
Age (years) | -0.492(-0.907; -0.077)* | -0.296 (-0.752; 0.160) | -0.318 (-0.774; 0.139) | |
PHV (years) | 0.695 (0.175; 1.214)* | 0.400 (-0.185; 0.984) | 0.372 (-0.273; 1.016) | |
Birthweight (kg) | -0.159 (-0.547; 0.229) | -0.012 (-0.479; 0.455) | -0.079 (-0.562; 0.405) | |
BF (%) | -0.015 (-0.044; 0.015) | -0.024 (-0.061; 0.13) | -0.029 (-0.072; 0.015) | |
LDL-C (mg/dL) | 0.014 (0.001; 0.028)* | 0.015 (0.001; 0.029)* | ||
HDL-C (mg/dL) | -0.012 (-0.039; 0.014) | -0.015 (-0.044; 0.014) | ||
HOMA-IR | 0.030 (-0.209; 0.270) | 0.053 (-0.229; 0.335) | ||
SBP (mmHg) | 0.010 (-0.018; 0.037) | |||
DBP (mmHg) | 0.305 (-0.692; 1.305) | |||
RHR (bpm) | -1.369 (-3.825; 1.101) | |||
MKS (score) | 0.004 (-0.169; 0.177) | |||