Table 4 Binary Logistic Regression Models (Odds Ratios with 99% Confidence Intervals) with Interaction Terms

Age Group

[0 = younger, 1 = older]

2.52* [1.12, 2.10]

2.63* [1.45, 4.78]

2.60* [1.59, 4.26]

2.73* [1.87, 3.98]

Gender

[0 = boy, 1 = girl]

0.97 [0.71, 1.33]

1.05 [0.61, 1.79]

0.71 [0.46, 1.11]

0.91 [0.64, 1.28]

Family Structure

[0 = other, 1 = both parents]

0.56* [0.41, 0.76]

0.72 [0.43, 1.20]

0.81 [0.52, 1.24]

0.72* [0.50, 1.02]

Maternal Education

0.99 [0.94, 1.05]

0.95 [0.87, 1.05]

1.11* [1.02, 1.20]

1.00 [0.93, 1.06]

Relative Income

0.87* [0.78, 0.98]

0.93 [0.77, 1.12]

1.00 [0.85, 1.17]

0.88* [0.77, 1.00]

Parental Support

0.64* [0.52, 0.79]

0.58* [0.42, 0.81]

0.60* [0.45, 0.80]

0.64* [0.50, 0.82]

Parental Monitoring

0.61* [0.48, 0.77]

0.57* [0.39, 0.81]

0.54* [0.40, 0.75]

0.62* [0.47, 0.81]

Parental Support*

Age Group

1.44 [0.96, 2.18]

1.94* [1.04, 3.63]

1.86* [1.07, 3.22]

1.36 [0.85, 2.17]

Parental Support*

Gender

0.77 [0.51, 1.17]

0.96 [0.52, 1.75]

0.90 [0.52, 1.54]

0.83 [0.52, 1.33]

Parental Monitoring*

Age Group

0.96 [0.60, 1.53]

0.83 [0.41, 1.69]

1.00 [0.54, 1.86]

0.99 [0.58, 1.69]

Parental Monitoring*

Gender

1.07 [0.66, 1.71]

0.76 [0.37, 1.56]

0.96 [0.51, 1.79]

0.99 [0.58, 1.70]