Skip to main content

Table 2 Univariable analysis of risk factors for depressive symptoms in children aged 10 to 11 years, Ribeirão Preto (2004/05)

From: Perinatal and early life factors associated with symptoms of depression in Brazilian children

Variables N* % depressive symptoms (weighted) Prevalence Ratio 95 % Confidence Interval
Sex     
Male 393 4.5 Reference  
Female 381 3.3 0.74 0.35 - 1.55
Low birth weight     
No 613 3.5 Reference  
Yes 161 9.5 2.72 1.40 - 5.28
Preterm birth     
No 595 3.9 Reference  
Yes 179 4.0 1.02 0.47 - 2.21
Maternal schooling (years)     
0 to 4 153 7.3 4.60 1.51 - 13.99
5 to 8 296 4.6 2.85 0.96 - 8.49
≥9 261 1.6 Reference  
Number of household members     
1 to 4 503 3.0 0.44 0.21 - 0.92
≥ 5 237 6.7 Reference  
Parity     
1 306 2.2 0.48 0.19 - 1.23
2 to 4 414 4.6 Reference  
≥5 46 10.0 2.15 0.73 - 6.28
Maternal smoking     
No 584 3.6 Reference  
Yes 157 6.2 1.72 0.78 - 3.82
Maternal age (years)     
<20 126 3.9 1.01 0.36 - 2.79
20 to 34 554 3.9 Reference  
≥35 93 4.4 1.15 0.40 - 3.29
Paternal age (years)     
<20 43 6.7 2.33 0.63 - 8.69
20 to 34 514 2.9 Reference  
≥35 170 5.2 1.78 0.75 - 4.23
Maternal job     
No 457 5.2 Reference  
Yes 285 2.4 0.46 0.19 - 1.10
Occupation of family head     
Non-manual 151 0.5 Reference  
Manual skilled and semi-skilled 455 4.6 8.67 1.97 - 38.06
Manual unskilled and unemployed 126 6.7 12.57 2.62 - 60.37
Marital status     
Married 482 2.7 0.37 0.16 - 0.85
Consensual union 153 7.3 Reference  
No companion 104 6.4 0.88 0.32 - 2.41
  1. *Totals (n = 774) may differ for some variables because of missing data.