Table 4 Factors associated with goiter status among pregnant women in rural Ada districts, Oromia region, Ethiopia, November, 2014

 15–29

1^r

1^r

 30–44

4.37 (2.29–8.31)^a

2.32 (1.05–5.14)^a

 Illiterate

2.27 (1.34–3.86)^a

2.71 (1.54–4.79)^a

 Literate

1^r

1^r

 Poorest

1^r

1^r

 Poorer

1.54 (0.67–3.53)

1.92 (0.82–4.49)

 Middle

0.88 (0.36–2.16)

1.11 (0.44–2.76)

 Richer

1.31 (0.56–3.05)

1.77 (0.73–4.27)

 Richest

1.54 (0.67–3.53)

1.99 (0.84–4.75)

 0

1^r

1^r

 1

2.47 (1.14–5.36)^a

2.28 (1.01–5.16)^a

 2

3.19 (1.41–7.20)^a

2.81 (1.17–6.74)^a

  ≥ 3

8.15 (3.50–18.98)^a

4.41 (1.58–12.26)^a

 First trimester

1^r

1^r

 Second trimester

1.54 (0.48–4.99)

1.57 (0.45–5.50)

 Third trimester

1.99 (0.67–5.95)

2.12 (0.65–6.87)

 Three to six per week

1.07 (0.49–2.36)

1.12 (0.47–2.65)

 Once or twice per week

1.41 (0.71–2.83)

1.41 (0.65–3.02)

 Never

1^r

1^r

 Three to six per week

0.78 (0.36–1.67)

0.95 (0.39–2.26)

 Once or twice/week

1.43 (0.80–2.58)

1.29 (0.68–2.49)

 Never

1^r

1^r

 Three to six per week

1.12 (0.57–2.18)

0.98 (0.45–2.14)

 Once or twice/week

1.22 (0.47–3.21)

0.91 (0.31–2.71)

 Never

1^r

1^r

 No

1^r

1^r

 Yes

0.83 (0.45–1.51)

0.65 (0.31–1.36)

 No

1^r

1^r

 Yes

1.27 (0.69–2.32)

2.04 (0.96–4.35)

 In the beginning

1^r

1^r

 Halfway through cooking

1.52 (0.67–3.41)

1.16 (0.48–2.83)

 Towards the end

1.29 (0.64–2.59)

1.20 (0.56–2.57)

 After cooking

1.02 (0.33–3.18)

0.89 (0.26–3.14)

 No

1^r

1^r

 Yes

1.14 (0.49–2.62)

1.06 (0.41–2.77)

  < 15 ppm(inadequate)

1^r

1^r

  > 15 ppm(adequate)

0.68 (0.39–1.19)

0.75 (0.41–1.37)