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. 2020 Oct 27;10(10):e036162. doi: 10.1136/bmjopen-2019-036162

Table 3.

UOR and AOR to measure the association size of adverse maternal characteristics on newborn’s low birth weight in Bangladesh, Bangladesh Demographic and Health Survey 2014

Background characteristics Low birth weight
UOR (95% CI) AOR (95% CI)
Sociodemographic variables
 Residence
  Urban(RC) 1.00 1.00
  Rural 1.34 (1.16 to 1.61)‡ 1.22 (1.02 to 1.46)*
 Maternal education
  No education(RC) 1.00 1.00
  Primary 0.73 (0.59 to 0.90)† 0.72 (0.57 to 0.90)†
  Secondary and above 0.54 (0.44 to 0.66)‡ 0.57 (0.45 to 0.73)‡
 Economic status
  Poor(RC) 1.00 1.00
  Middle 0.87 (0.71 to 1.06) 1.03 (0.84 to 1.26)
  Rich 0.68 (0.58 to 0.80)‡ 0.97 (0.79 to 1.18)
 Employment status
  Unemployed(RC) 1.00 1.00
  Employed 1.04 (0.88 to 1.23) 1.02 (0.86 to 1.21)
Adverse maternal characteristics
 Underweight mother
  No(RC) 1.00 1.00
  Yes 1.48 (1.25 to 1.72)‡ 1.26 (1.06 to 1.49)†
 Overweight/obese mother
  No(RC) 1.00 1.00
  Yes 0.74 (0.61 to 0.91)† 0.98 (0.78 to 1.23)
 Taken ANC <4 times
  No(RC) 1.00 1.00
  Yes 1.44 (1.23 to 1.70)‡ 1.23 (1.03 to 1.48)*
 Unwanted birth
  No(RC) 1.00 1.00
  Yes 1.29 (1.10 to 1.51)† 1.22 (1.03 to 1.44)*
 Ever had a terminated pregnancy
  No(RC) 1.00 1.00
  Yes 1.18 (0.97 to 1.43) 1.28 (1.05 to 1.57)†
 Victim of intimate partner violence
  No(RC) 1.00 1.00
  Yes 1.22 (1.04 to 1.42)† 1.23 (1.05 to 1.45)*
Maternal high-risk fertility behaviours
 Maternal age at birth <18 years
  No(RC) 1.00 1.00
  Yes 1.81 (1.50 to 2.19)‡ 1.42 (1.11 to 1.83)†
 Maternal age at birth >34 years
  No(RC) 1.00 1.00
  Yes 1.23 (0.89 to 1.71) 0.93 (0.63 to 1.39)
 Birth interval <24 months
  No(RC) 1.00 1.00
  Yes 1.54 (1.32 to 1.80)‡ 1.25 (1.01 to 1.55)*
 Birth order >3
  No(RC) 1.00 1.00
  Yes 1.30 (1.07 to 1.59)† 1.04 (0.83 to 1.33)
 Maternal age at birth <18 years and birth interval <24 months
  No(RC) 1.00 1.00
  Yes 1.31 (1.12 to 1.53)‡ 1.26 (1.02 to 1.57)†
 Maternal age at birth >34 years and birth interval <24 months
  No(RC) 1.00 1.00
  Yes 1.34 (1.11 to 1.64)† 1.22 (0.97 to 1.54)
 Birth order >3 and birth interval <24 months
 No(RC) 1.00 1.00
 Yes 1.50 (1.09 to 2.06)* 1.68 (1.18 to 2.37)†

Model was adjusted for all the predictors included in this table.

*p<0.05.

†p<0.01.

‡p<0.001.

ANC, antenatal care; AOR, adjusted odds ratio; RC, Reference category; UOR, unadjusted odds ratio.