Table 2.
Full model results for depressive symptoms (BDI-II), anxiety symptoms (BAI), and positive mental health (SWEMWBS-7).
| BDI-II IRR (95% CI) | BAI IRR (95% CI) | SWEMWBS-7 β (95% CI) | |
|---|---|---|---|
| Fixed effects | |||
| Intercept | 2.97 (2.57, 3.43) | 1.79 (1.50, 2.12) | 27.21 (26.62, 27.80) |
| Time | 0.92 (0.89, 0.94) | 0.91 (0.88, 0.94) | 0.25 (0.15, 0.34) |
| Age (base = 75+ y) | |||
| 18–24 y | 3.50 (2.93, 4.17) | 2.37 (1.92, 2.92) | −4.98 (−5.68, −4.28) |
| 25–34 y | 2.37 (2.00, 2.82) | 1.71 (1.39, 2.10) | −3.26 (−3.93, −2.58) |
| 35–44 y | 2.16 (1.81, 2.57) | 1.52 (1.24, 1.88) | −2.89 (−3.57, −2.21) |
| 45–54 y | 1.75 (1.47, 2.09) | 1.29 (1.04, 1.59) | −2.10 (−2.79, −1.41) |
| 55–64 y | 1.22 (1.03, 1.44) | 0.97 (0.79, 1.18) | −0.86 (−1.50, −0.21) |
| 65–74 y | 1.06 (0.90, 1.25) | 0.96 (0.79, 1.17) | −0.17 (−0.79, 0.45) |
| Sex (Female) | 1.38 (1.26, 1.51) | 2.10 (1.88, 2.33) | −1.09 (−1.43, −0.74) |
| MVPA (base = 0 min/week) | |||
| 1–149 (min/week) | 1.01 (0.95, 1.08) | 0.99 (0.91, 1.07) | 0.05 (−0.34, 0.43) |
| 150–299 (min/week) | 0.97 (0.92, 1.03) | 1.00 (0.93, 1.08) | 0.14 (−0.20, 0.48) |
| 300+ (min/week) | 0.94 (0.90, 0.99) | 0.95 (0.90, 1.01) | 0.50 (0.22, 0.79) |
| Sitting time | 1.01 (0.99, 1.03) | 1.02 (0.99, 1.05) | −0.30 (−0.41, −0.18) |
| Screen time | 1.05 (1.03, 1.08) | 1.03 (1.00, 1.06) | −0.15 (−0.27, −0.03) |
| Quarantine | 1.00 (0.97, 1.03) | 0.99 (0.96, 1.03) | 0.14 (−0.01, 0.28) |
| Shelter-in-place or stay at home order | 1.00 (0.98, 1.02) | 1.03 (1.00, 1.05) | −0.12 (−0.22, −0.02) |
| Social distancing | 0.99 (0.97, 1.01) | 0.96 (0.94, 0.99) | −0.06 (−0.17, 0.06) |
| Time: Age 18–24 y | 0.98 (0.95, 1.01) | 0.93 (0.90, 0.97) | 0.11 (0.01, 0.22) |
| Time: Age 25–34 y | 1.02 (0.99, 1.05) | 0.95 (0.91, 0.98) | −0.10 (−0.21, −0.00) |
| Time: Age 35–44 y | 1.01 (0.98, 1.04) | 0.94 (0.91, 0.98) | −0.04 (−0.13, 0.06) |
| Time: Age 45–54 y | 1.00 (0.97, 1.03) | 0.97 (0.93, 1.00) | −0.02 (−0.11, 0.08) |
| Time: Age 55–64 y | 0.96 (0.94, 0.99) | 0.94 (0.91, 0.98) | 0.00 (−0.09, 0.09) |
| Time: Age 65–74 y | 0.97 (0.95, 1.00) | 0.95 (0.92, 0.98) | 0.00 (−0.08, 0.09) |
| Time: Female | 1.02 (1.01, 1.04) | 1.01 (0.99, 1.03) | 0.03 (−0.02, 0.08) |
| Time: MVPA | |||
| 1–149 (min/week) | 1.01 (0.99, 1.03) | 1.02 (1.00, 1.05) | −0.02 (−0.11, 0.07) |
| 150–299 (min/week) | 1.00 (0.99, 1.02) | 0.99 (0.97, 1.01) | 0.01 (−0.07, 0.09) |
| 300+ (min/week) | 1.00 (0.99, 1.01) | 1.01 (0.99, 1.02) | −0.02 (−0.08, 0.05) |
| Time: Sitting time | 1.01 (1.01, 1.02) | 1.00 (0.99, 1.01) | −0.00 (−0.03, 0.03) |
| Time: Screen time | 1.00 (0.99, 1.00) | 1.00 (1.00, 1.01) | −0.01 (−0.04, 0.02) |
| Random effects | |||
| ID-intercept SD | 0.92 | 1.08 | 3.59 |
| ID-Time SD | 0.12 | 0.14 | 0.37 |
| ICC | 0.46 | 0.54 | 0.78 |
| Pseudo R2 (Fixed) | 0.21 | 0.17 | 0.20 |
| Pseudo R2 (Total) | 0.96 | 0.94 | 0.85 |
Bolded values indicate statistical significance of the individual term in the full model at p < 0.05.
BAI, Beck Anxiety Inventory, BDI-II, Beck Depression Inventory II; MVPA, moderate-to-vigorous physical activity; SWEMWBS-7, Short Warwick-Edinburgh Mental Well-being Scale-7; y, years.