Table 2

Odds ratio (OR) estimates of effects of passive smoking status and other selected characteristics on anemia among children aged 0–35 months, Jordan 2002

Odd Ratio (Significant Levels)

Characteristic

Model 1

Model 2

Model 3

Model 4


Passive smoking status

None of parents smoke

1.00

1.00

1.00

1.00

One of parents smoke

0.86

0.84

0.87

0.83

Both parents smoke

3.08***

3.14***

3.00***

2.99***

Child's age (months)

0–11

1.00

1.00

1.00

12–23

0.61

0.64

0.63

24–35

0.34***

0.37**

0.39**

Child's sex

Boy

1.00

1.00

1.00

Girl

1.01

0.99

1.01

Child's birth order

1

1.00

1.00

1.00

2

1.00

1.19

1.19

3

0.90

1.13

1.17

4+

0.88

1.49

1.45

Birth weight

≥ 2,500 g

1.00

1.00

1.00

< 2,500 g

1.50

1.63

1.60

Breastfeeding status (months)

Never

1.00

1.00

1.00

0–11

0.54

0.44

0.40

12–17

0.78

0.61

0.55

18–23

1.23

0.98

0.80

≥ 24

0.39

0.28

0.23

Stunted

Not stunted

1.00

1.00

1.00

Moderately stunted

1.17

1.21

1.19

Severely stunted

4.87**

5.54**

5.29**

Iron intake during pregnancy

No

1.00

1.00

1–2 trimesters

1.37

1.36

3 trimesters

0.73

0.77

Mother's anemia

No/mild

1.00

1.00

Moderate/severe

1.38

1.49

Mother's age at childbirth (years)

13–24

1.00

1.00

25–34

0.61

0.62

35–49

0.40*

0.40*

Mother's BMI (kg/m2)

18.5 – 24.9

1.00

1.00

< 18.5

2.60

2.79

≥ 25.0

1.01

1.06

Mother's education

No education

1.00

1.00

Primary or less

0.95

1.19

Secondary or higher

1.20

1.73

Household wealth status

Low

1.00

Middle

0.73

High

0.98

Safe drinking water

No

1.00

Yes

0.87

Hygienic toilet

No

1.00

Yes

0.43***

Urban/rural

Urban

1.00

Rural

1.00

Geographic region

Central

1.00

Northern

0.92

Southern

0.79

Number of children

740

726

712

712


Reference group, * p < 0.1, ** p < 0.05, *** p < 0.001

For variable definitions, see Table 1.

Hong et al. BMC Pediatrics 2007 7:16   doi:10.1186/1471-2431-7-16

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