Table 2.
Interactions between maternal psychosis and putative protective factors in relation to the absence of age-12 psychotic symptoms and age-18 psychotic experiences in the whole sample.
| Interaction with maternal psychosis | Adjusted OR | 95% CI | P |
|---|---|---|---|
| AGE-12 | |||
| IQ | 0.98 | 0.95–1.01 | 0.300 |
| Atmosphere at home | 1.01 | 0.96–1.07 | 0.739 |
| Neighborhood social cohesion | 0.92 | 0.81–1.06 | 0.247 |
| AGE-18 | |||
| Physical activity | 1.08 | 0.87–1.34 | 0.494 |
| Neighborhood social cohesion | 0.86 | 0.51–1.43 | 0.553 |
| Social support | 1.01 | 0.94–1.07 | 0.818 |
CI, confidence interval; IQ, intelligent quotient; OR, odds ratio. All analyses are adjusted for gender and family socioeconomic status; age-18 analyses are additionally adjusted for age-12 psychotic symptoms and other age-12 mental health problems. All analyses account for the non-independence of twin observations.