Table 4 Factors associated with current smoking behavior among rural left-behind children (LBC), Anhui, China 2012

n = 757

37(4.9)

720(95.1)

0.000

 Female (ref.)^†

3(0.9)

332(99.1)

1.0

1.0

 Male

34(8.1)

388(91.9)

0.000

9.70

2.95–31.86

0.000

8.99

2.65–30.44

0.149

 10–12 (ref.)

12(2.8)

420(97.2)

1.0

1.0

 13–14

25(7.7)

300(92.3)

0.002

2.92

1.44–5.90

0.149

1.98

0.78–5.01

0.366

  ≤ 6 (ref.)

22(3.6)

582(96.4)

1.0

1.0

  ≥ 7

15(9.8)

138(90.2)

0.002

2.88

1.45–5.69

0.366

1.54

0.60–3.94

0.010

 Good (ref.)

10(2.9)

338(97.1)

1.0

1.0

 Moderate

11(3.6)

291(96.4)

0.581

1.28

0.54–3.05

0.388

1.51

0.59–3.85

 Bad

16(15.0)

91(85.0)

0.000

5.94

2.61–13.54

0.004

3.92

1.56–9.84

0.217

  ≤ 1 (ref.)

3(1.8)

165(98.2)

1.0

1.0

 1–5

27(6.7)

376(93.3)

0.026

3.95

1.18–13.20

0.094

2.99

0.83–10.75

  ≥ 6

7(3.8)

179(96.2)

0.273

2.15

0.55–8.46

0.322

2.88

0.49–8.91

NA^△

 Both parents out (ref.)

23(6.1)

353(93.9)

1.0

 Father out, mother home

9(3.2)

272(96.8)

0.091

0.51

0.23–1.12

 Mother out, father home

5(5.0)

95(95.0)

0.674

0.81

0.30–2.18

0.573

 Everyday (ref.)

4(2.5)

156(97.5)

1.0

 Once a week

13(3.8)

329(96.2)

0.456

1.54

0.49–4.80

0.775

0.83

0.24–2.93

 Once every 1 to 4 weeks

9(6.2)

136(93.8)

0.121

2.58

0.78–8.57

0.797

1.20

0.31–4.61

 Once a month (or longer)

11(10.0)

99(90.0)

0.014

4.33

1.34–13.99

0.477

1.62

0.43–6.06

0.338

 Once each 3 months (ref.)

3(2.5)

115(97.5)

1.0

 Once each 4 to 6 months

7(2.4)

280(97.6)

0.951

0.96

0.24–3.77

0.804

1.21

0.27–5.46

 Once each 7 to 12 months

22(7.4)

277(92.6)

0.075

3.05

0.89–10.37

0.212

2.46

0.60–10.04

 Once each 12 months (or longer)

5(9.4)

48(90.6)

0.045

3.99

1.12–17.37

0.231

2.71

0.53–13.81

0.079

 Other relatives (ref.)

13(11.5)

100(88.5)

1.0

 Mother

9(3.2)

272(96.8)

0.002

0.26

0.11–0.61

0.031

0.35

0.13–0.91

 Father

5(5.0)

95(95.0)

0.097

0.41

0.14–1.18

0.309

0.54

0.16–1.77

 Grandparents

10(3.8)

253(96.2)

0.006

0.30

0.13–0.72

0.024

0.33

0.13–0.87