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Table 4 Simple and multiple logistic regressions to determine the factors associated with physical inactivity among pregnant mothers in Kuala Lumpur

From: Physical inactivity in early pregnancy and the determinants in an urban city setting of Kuala Lumpur, Malaysia

Variables Crude
ORa
p value 95% CIb Adjusted
ORa
p value 95% CIb
Age (year) 0.97 0.19 0.92, 1.02 1.00 0.96 0.89, 1.13
Caloric intake per day (kcal) 1.00 0.26 1.00, 1.00 1.00 0.07 1.00, 1.00
Ethnicity
 Malay 1.00    1.00   
 Chinese 1.02 0.96 0.48, 2.18 1.68 0.44 0.45, 6.24
 Indian 1.89 0.18 0.74, 4.81 2.25 0.24 0.59, 8.58
 Others 2.04 0.25 0.61, 6.87 1.36 0.81 0.12, 15.54
Grand multigravida
 Yes 2.88 0.18 0.61, 13.56 3.16 0.34 0.30, 33.87
 No 1.00    1.00   
Primigravida
 Yes 1.70 0.02* 1.07, 2.70 3.54 0.01* 1.40, 8.97
 No 1.00    1.00   
Occupation
 Public 0.94 0.85 0.47, 1.86 2.84 0.32 0.36, 22.38
 Private 0.82 0.50 0.47, 1.44 1.33 0.58 0.48, 3.69
 Self-employed 0.77 0.63 0.26, 2.29 3.03 0.09 0.85, 10.77
 Housewife/Unemployed 1.00    1.00   
Marital status
 Married 1.00    1.00   
 Unmarried 1.28 0.63 0.46, 3.54 0.42 0.50 0.03, 5.22
Education level
 No tertiary educationc 1.70 0.03* 1.05, 2.76 3.77 0.01* 1.35, 10.52
 With tertiary educationd 1.00    1.00   
Husband’s occupation
 Public 1.00    1.00   
 Private 0.91 0.73 0.51, 1.60 1.34 0.57 0.48, 3.72
 Self-employed 1.03 0.93 0.48, 2.20 1.14 0.84 0.32, 4.04
 Unemployed 3.04 0.37 0.26, 35.16
Household income
 Low income (B40e) 1.31 0.29 0.80, 2.14 0.96 0.93 0.40, 2.32
 Middle income (M40f) or higher 1.00    1.00   
 BMIg at booking 0.92 0.01* 0.86, 0.97 0.88 0.01* 0.80, 0.97
History of miscarriage
 Yes 1.00    1.00   
 No 2.08 0.21 0.15, 1.51 0.15 0.10 0.02, 1.45
Medical problem in previous pregnancy
 Yes 1.00    1.00   
 No 1.83 0.22 0.70, 4.78 0.64 0.59 0.13, 3.17
  1. a OR odds ratio
  2. b CI confidence interval
  3. c formal education of 12 years or less
  4. d formal education of more than 12 years
  5. e B40 - bottom 40% earners in the population
  6. f M40 - middle 40% earners in the population
  7. g BMI body mass index
  8. * Significant at p < 0.05
  9. Nagelkerke R square 0.226