Table 7 The results of multiple logistic regression analysis
Selected independent variables | Odds ratio (high/low) | 95 % CI | P-value |
|---|---|---|---|
Factors relevant to total difficulties | |||
Shanghai group | |||
My child shows delayed development compared with the other children (think so/not think so) | 46.667 | 6.256–348.115 | <0.001 |
Wakayama group | |||
My child shows delayed development compared with the other children (think so/not think so) | 16.000 | 3.233–79.174 | 0.001 |
Osaka group | |||
I have many uncertainties about rearing the child (think so/ not think so) | 4.500 | 1.304–15.531 | 0.017 |
Factors relevant to prosocial behavior | |||
Shanghai group | |||
The frequency of having instant foods or fast foods (over once a week/under once a week) | 6.367 | 1.608–25.212 | 0.008 |
I become anxious or lose enthusiasm for childrearing when my child is recalcitrant (think so/not think so) | 0.049 | 0.004–0.644 | 0.022 |
Wakayama group | |||
The time of watching television (over 2 h/under 2 h) | 3.586 | 1.076–11.949 | 0.038 |
Osaka group | |||
The time of playing outdoors(under 1 h/over 1 h) | 2.658 | 1.085–6.514 | 0.033 |