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Psicologia: Reflexão e Crítica

Psychology: Research and Review

Table 3 Logistic regression for associations between sexual initiation and individual and contextual factors (n = 253)

From: Individual and contextual factors associated with sexual initiation among adolescents

Final model

Regression coefficient

ORAdjusted

Bcrude

S.E

Sig.

OR

95% CI

Below

Above

Use of alcoholic beverages

1.39

0.51

0.00

3.81

1.77

8.2

School repetition

 Once

1.60

0.58

0.00

4.46

1.87

9.4

 Twice

2.17

0.81

0.00

6.89

2.05

17.34

Family configuration

 Single parent

1.35

0.66

0.01

3.67

1.36

9.90

 Extended

2.17

0.64

0.00

6.85

2.61

17.97

 Remarried

1.01

0.70

0.05

2.03

1.00

6.46

Family support

 Affective-consistent

−0.08

0.03

0.01

0.85

0.70

0.95

 Autonomy

0.32

0.09

0.00

1.68

1.45

1.93

 Constant

10.91

3.16

0.00

   
  1. School year and Critério Brasil (confounding factors); initial model—note: Nagelkerke’s R2 0.529; Hosmer-Lemeshow test (chi-square = 8.007; p = 0.433); Cox & Snell: 0.344; general proportion of correct responses—confusion matrix: 75.2%; final model—note: Nagelkerke’s R2 0.570; Hosmer-Lemeshow test (chi-square = 12.904; p = 0.115); Cox & Snell: 0.456; general proportion of correct responses-confusion matrix: 86.1%
  2. *Regression models adjusted for the school
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