TABLE 1.
Baseline characteristics of the two samples
| Intervention group (n = 62) | Control group (n = 44) | F/χ2 | p | |
|---|---|---|---|---|
| Characteristic variable | ||||
| 25(OH)D, nmol/L | 39.1 ± 10.5 | 42.1 ± 12.6 | 1.804 | 0.182 |
| Age, age | 46.3 ± 9.7 | 43.3 ± 13.7 | 1.735 | 0.191 |
| BMI, kg/cm2 | 24.1 ± 4.2 | 23.6 ± 4.1 | 0.383 | 0.537 |
| Blood collection in winter and spring | 29(46.8) | 22(50.0) | 0.107 | 0.743 |
| Unmarried/divorced | 5(8.1) | 12(27.3) | 7.052 | 0.27 |
| Male | 18(29.0) | 10(22.7) | 0.526 | 0.468 |
| City of residence | 24(38.7) | 20(45.5) | 0.487 | 0.784 |
| Junior high school and below | 45(72.6) | 27(61.4) | 2.017 | 0.365 |
| Monthly household income <4,000 | 38(61.3) | 28(63.6) | 1.818 | 0.403 |
| Daytime outdoor time: 2 hr < 2 hr | 28(53.8) | 18(64.3) | 0.812 | 0.368 |
| Drinking | 3(5.8) | 3(10.7) | 0.642 | 0.423 |
| Smoking | 6(11.5) | 5(17.9) | 0.613 | 0.434 |
| No physical activity | 20(38.5) | 8(28.6) | 0.783 | 0.376 |
| Sitting time <2 hr | 18(34.6) | 8(28.6) | 0.303 | 0.582 |
| No antipsychotic use | 5(8.1) | 6(13.6) | 0.859 | 0.354 |
| Scale score | ||||
| HAMA | 18.0 ± 5.7 | 17.9 ± 7.5 | 0.001 | 0.974 |
| HAMD | 30.0 ± 7.6 | 29.2 ± 11.6 | 0.167 | 0.684 |
| RPAS | 27.2 ± 12.3 | 27.4 ± 11.7 | 0.005 | 0.943 |
| RSAS | 16.7 ± 6.0 | 15.5 ± 6.2 | 0.692 | 0.408 |
Data were displayed with mean ± standard deviation or numbers (%). At baseline, there were no significant differences in general demographic characteristics and scale scores between the intervention group and the control group.
Continuous variables were analyzed by one‐way ANOVA, and categorical variables were analyzed by chi‐square test.
Abbreviations: HAMA‐14, Hamilton Anxiety Rating Scale‐14; HAMD‐17, Hamilton Depression Rating Scale‐17; RPAS, Revised Physical Anhedonia scale; RSAS, Revised Social Anhedonia Scale.