Table 1.
Characteristics of participants according to different categories of depressive symptoms, Study of Diet-Inflammation and Depression in Iranian Adolescent Females, 2014 to 2015.
| Characteristicsa,b | Normal symptoms (DASS ≤ 9) N = 257 | At least mild level of depressive symptoms (DASS > 9) N = 43 | P-value |
|---|---|---|---|
| Age, (years) (mean ± sd) | 16.2 ± 1.0 | 16.3 ± 1.1 | 0.69 |
| Physical Activity (METs/d)(mean ± sd) | 36.2 ± 5.7 | 34.7 ± 5.0 | 0.11 |
| BMI (kg/m2)(mean ± sd) | 22.3 ± 4.6 | 22.3 ± 4.9 | 0.98 |
| Smoking (%) | 0.002 | ||
| Never | 96.9 | 90.7 | |
| Current/Past | 3.1 | 9.3 | |
| Chronic disease (%) | 0.38 | ||
| Yes | 2.3 | 4.6 | |
| No | 97.7 | 95.4 | |
| Diet supplement use (%) | 0.47 | ||
| Yes | 34.0 | 39.5 | |
| No | 66.0 | 60.5 | |
| Parental marital status (%) | 0.20 | ||
| Yes | 95.3 | 90.7 | |
| No | 4.7 | 8.3 |
a
Significance testing was based on t-test for continuous variables.
b
Chi-square test was used for categorical variables.