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Table 1 Descriptive data & unadjusted analysis of potential predictors and minor/major and major PPDS

From: Prevalence and characteristics of Postpartum Depression symptomatology among Canadian women: a cross-sectional study

  Total PPDS (minor/major) PPDS (major)
  N* % OR 95% CI† OR 95% CI†
Socioeconomic Factors
Maternal education level
Less than high school 5787 7.65 1.79 1.27-2.53 2.54 1.84-3.49
High school grad 10049 13.29 1.49 1.11-2.01 1.71 1.27-2.29
Some Post-Secondary 4609 6.09 1.74 1.19-2.59 1.44 0.98-2.12
Post-Secondary Diploma 28304 37.43 1.30 1.03-1.63 1.08 0.84-1.38
University 26872 35.54 1   1  
Total household income
Low 2250 3.13 1.78 1.03-3.09 4.49 2.89-6.97
Low-Middle 5764 8.02 2.85 2.05-3.97 3.48 2.51-4.82
Middle 15179 21.11 1.84 1.40-2.41 2.04 1.52-2.72
Middle-Upper 24643 34.27 1.44 1.11-1.86 1.40 1.05-1.86
High 24078 33.48 1   1  
Occupation during pregnancy
No 23554 30.92 1.38 1.13-1.68 2.10 1.72-2.56
Yes 52612 69.08 1   1  
Demographic Factors
Region of residence
Atlantic 4521 5.91 0.53 0.39-.071 0.34 0.25-0.47
Quebec 18333 23.96 0.46 0.34-0.63 0.48 0.37-0.64
Ontario 29688 38.80 0.58 0.44-0.77 0.48 0.37-0.63
Prairies 14569 19.04 0.40 0.30-0.55 0.46 0.34-0.61
British Columbia 8997 11.76 0.52 0.36-0.75 0.41 0.28-0.59
Territories 398 0.52 1   1  
Immigration status
Yes 16763 22.03 1.87 1.51-2.32 2.71 2.20-3.32
No 59337 77.97 1   1  
Age of infant (months)
9-14 1709 2.24 0.39 0.23-0.65 0.43 0.25-0.74
6-8 65102 85.27 1.04 0.79-1.39 0.72 0.53-0.99
5 9534 12.49 1   1  
Maternal Characteristics
Parity
Multiparous 41556 54.53 1.10 0.91-1.32 1.29 1.07-1.56
Primiparous 34647 45.47 1   1  
Living with a husband/partner
No 6374 8.36 1.55 1.16-2.09 1.90 1.46-2.49
Yes 69832 91.64 1   1  
Maternal age
15-19 1503 1.96 1.71 1.05-2.78 2.71 1.80-4.08
20-24 8923 11.66 1.13 0.85-1.51 1.38 1.06-1.81
25-34 12927 16.90 1   1  
35-39 2963 3.87 1.32 1.04-1.68 1.33 1.05-1.69
40+ 50192 66.37 1.01 0.58-1.77 1.41 0.87-2.27
Pregnancy weight gain guidelines
Inadequate 24260 32.29 0.88 0.65-1.19 0.82 0.62-1.08
Recommended 13947 18.56 1   1  
Excessive 36936 49.15 1.14 0.88-1.48 0.91 0.70-1.18
Previous diagnosis of depression/prescription antidepressants
Yes 11784 15.46 2.05 1.64-2.54 2.47 1.99-3.06
No 64456 84.54 1   1  
Smoking status during 3rd trimester
Smoked 8016 10.50 1.79 1.39-2.32 1.57 1.22-2.04
Did not smoke 68319 89.50 1   1  
Mother's stress level during pregnancy
Very stressed 9488 12.45 3.91 2.92-5.23 7.13 5.47-9.28
Somewhat stressed 33968 44.58 2.64 2.08-3.34 2.20 1.75-2.78
Not at all 32742 42.97 1   1  
Breastfeeding initiation
No 7394 9.67 1.10 0.84-1.44 1.20 0.61-1.14
Yes 69086 90.33 1   1  
Other variables
Availability of support after pregnancy
None of the time 1095 1.44 4.27 2.22-8.20 7.11 4.08-12.41
Some of the time 11126 14.58 3.57 2.86-4.44 5.75 4.69-7.06
Most of the time 64076 83.98 1   1  
Planned pregnancy
No 5378 7.08 1.32 0.93-1.88 1.93 1.43-2.61
Yes 70571 92.92 1   1  
Baby in NICU
Yes 9733 12.74 1.30 1.01-1.68 1.10 0.84-1.44
No 66681 87.26 1   1  
  1. * Sample size is estimated using population weights
  2. ORs in bold are significant at an alpha of 0.05
  3. † 95% CI were calculated using bootstrapping technique