Table 4.
Associations between putative protective factors and an absence of age-18 psychotic symptoms among adolescents whose mothers had a psychosis-spectrum disorder or psychotic symptoms.
| Putative protective factor | Psychotic symptoms absent N = 360 | Psychotic symptoms present N = 22 | Adjusted ORa | 95% CI | P |
|---|---|---|---|---|---|
| M (SD) | M (SD) | ||||
| Physical activity | 2.71 (1.08) | 2.68 (1.25) | 1.00 | 0.64–1.58 | 0.991 |
| Neighborhood social cohesion | 2.19 (0.50) | 2.00 (0.68) | 0.62 | 0.22–1.69 | 0.346 |
| Social support | 20.16 (4.88) | 19.36 (4.38) | 0.99 | 0.93–1.07 | 0.882 |
CI, confidence interval; M, mean; OR, odds ratio; SD, standard deviation.
a
Adjusted for gender, family socioeconomic status, age-12 psychotic symptoms, and other age-12 mental health problems. All analyses account for the non-independence of twin observations.