Table 3

The multiple regression models about confidence level as to the avoidance of household SHS exposure among third through sixth graders in southern Taiwan, arranged according to survey year and gender

Model

Wave 1

Wave 2


Male

Female

Male

Female


β

(95% CI)

β

(95% CI)

β

(95% CI)

β

(95% CI)

Model 1

Grade

3

Ref.

Ref.

Ref.

Ref.

4

-0.40

(-0.71,-0.09)

-0.35

(-0.64,-0.06)

0.17

(-0.16,0.51)

-0.32

(-0.62,-0.03)

5

-0.13

(-0.44, 0.17)

-0.83

(-1.13,-0.53)

-0.09

(-0.43,0.25)

-0.29

(-0.59,-0.00)

6

-0.90

(-1.21,-0.59)

-1.01

(-1.30,-0.72)

-0.27

(-0.60,0.07)

-0.79

(-1.09,-0.50)

School geography

Urban

Ref.

Ref.

Ref.

Ref.

Rural

-0.08

(-0.32,0.17)

0.19

(-0.05,0.42)

0.09

(-0.18,0.35)

0.02

(-0.22,0.25)

Mountain

-0.06

(-0.44,0.32)

0.23

(-0.16,0.62)

-0.25

(-0.72,0.23)

-0.04

(-0.48,0.39)

Ethnicity

Non-aboriginal

Ref.

Ref.

Ref.

Ref.

Aboriginal

-0.08

(-0.52,0.36)

0.30

(-0.10,0.70)

0.63

(0.24,1.01)

0.32

(-0.04,0.69)

Mother's educational attainment

College or higher

Ref.

Ref.

Ref.

Ref.

High school

-0.02

(-0.37,0.34)

-0.27

(-0.62,0.08)

0.10

(-0.24,0.45)

-0.35

(-0.68,-0.02)

Lower than high school

0.24

(-0.22,0.69)

-0.05

(-0.45,0.35)

-0.14

(-0.56,0.29)

0.10

(-0.30,0.49)

Father's educational attainment

College or higher

Ref.

Ref.

Ref.

Ref.

High school

0.02

(-0.31,0.36)

0.01

(-0.31,0.32)

-0.14

(-0.46,0.18)

0.11

(-0.18,0.39)

Lower than high school

0.11

(-0.29,0.52)

-0.00

(-0.37,0.37)

-0.12

(-0.52,0.29)

-0.18

(-0.52,-0.16)

Monthly household income

High

Ref.

Ref.

Ref.

Ref.

Middle

-0.07

(-0.40,0.26)

0.10

(-0.21,0.40)

-0.24

(-0.57,0.09)

0.00

(-0.30,0.30)

Low

-0.07

(-0.40,0.25)

0.22

(-0.06,0.50)

-0.19

(-0.50,0.12)

0.14

(-0.15,0.43)

Model 2

Children smoking status

Never

Ref.

Ref.

Ref.

Ref.

Ever

-0.13

(-0.44,0.19)

-0.29

(-0.66,0.08)

-0.37

(-0.72,-0.01)

-0.11

(-0.52,0.30)

Model 3

Household SHS exposure

None

Ref.

Ref.

Ref.

Ref.

1-3 days/week

-0.05

(-0.39,0.28)

-0.15

(-0.47,0.17)

0.08

(-0.27,0.43)

-0.06

(-0.40,0.28)

4+ days/week

-0.36

(-0.68,-0.04)

-0.44

(-0.77,-0.11)

-0.34

(-0.68,0.00)

-0.47

(-0.81,-0.14)

Family smokes

No

Ref.

Ref.

Ref.

Ref.

Smoking in front of me

Never

-0.03

(-0.68,-0.04)

-0.05

(-0.39,0.30)

-0.12

(-0.52,0.28)

-0.05

(-0.41,0.32)

Sometimes

-0.10

(-0.43,0.23)

-0.05

(-0.38,0.28)

0.02

(-0.33,0.36)

-0.28

(-0.62,0.06)

Always

-0.23

(-0.60,0.14)

-0.32

(-0.70,0.07)

-0.27

(-0.64,0.10)

-0.24

(-0.62,0.15)

Model 4

Attitude toward smoking

-0.06

(-0.08,-0.03)

-0.06

(-0.09,-0.03)

-0.05

(-0.07,-0.02)

-0.06

(-0.09,-0.04)

Model 5

Knowledge of tobacco hazards

0.13

(0.09,0.18)

0.05

(-0.01,0.10)

0.14

(0.09,0.19)

0.07

(0.02,0.12)


Model 1: This model included socio-demographic factors

Model 2: The variables included socio-demographic factors and student smoking behavior

Model 3: The variables included socio-demographic factors, student smoking behavior, household SHS exposure, and family smoking

Model 4: The variables included socio-demographic factors, student smoking behavior, household SHS exposure, family smoking, and attitude toward smoking

Model 5: The variables included socio-demographic factors, student smoking behavior, household SHS exposure, family smoking, attitude toward smoking, and knowledge of tobacco hazards

Huang et al. BMC Public Health 2012 12:40   doi:10.1186/1471-2458-12-40

Open Data