Table 2 Socio-demographic correlates of Body Mass Index (BMI)

Age group (years)

18 to 34

Ref

Ref

Ref

35 to 49

1.0

(0.7–1.6)

.87

1.2

(0.9–1.5)

.29

0.6

(0.4–0.9)

.0087

50 to 64

1.2

(0.8–2.0)

.3739

1.3

(1.0–1.8)

.0599

0.5

(0.3–0.9)

.0148

65 and above

0.4

(0.2–1.0)

0.0611

1.4

(0.8–2.3)

.2548

0.6

(0.2–1.6)

.3066

Ethnicity

Chinese

Ref

Malay

4.7

(3.6–6.2)

<.0001

2.0

(1.7–2.5)

<.0001

0.7

(0.5–1.0)

.0539

Indian

3.6

(2.7–4.7)

<.0001

2.0

(1.7–2.4)

<.0001

0.6

(0.4–0.8)

.0025

Others

2.7

(1.5–4.9)

.0016

1.4

(0.9–2.0)

.0974

0.4

(0.2–1.3)

.1319

Sex

Male

Ref

Female

0.7

(0.5–0.9)

.0127

0.6

(0.5–0.7)

<.0001

2.8

(2.0–4.0)

<.0001

Marital

Single

Ref

Married

1.3

(0.8–2.0)

.2887

1.2

(1.0–1.6)

.1209

0.6

(0.5–0.9)

.0134

Divorced/Separated

1.4

(0.6–3.1)

.4468

0.8

(0.5–1.4)

.3988

0.8

(0.4–1.7)

.5659

Widowed

2.1

(0.8–5.6)

.1611

1.6

(0.8–3.3)

.2361

0.7

(0.2–2.4)

.5974

Education

Primary and below

2.1

(1.2–3.9)

.0123

1.4

(0.9–2.1)

.0976

1.0

(0.5–2.0)

.9412

Secondary

1.8

(1.1–2.9)

.0208

1.3

(0.9–1.7)

.167

1.1

(0.7–1.8)

.7876

Pre-U/Junior-college/Diploma

1.8

(1.1–2.9)

.0262

1.1

(0.8–1.5)

.4815

0.9

(0.6–1.4)

.7431

Vocational

2.3

(1.3–4.1)

.0058

1.1

(0.7–1.6)

0.6593

1.6

(0.9–2.7)

.1257

University

Ref

Employment

Employed

Ref

Economically inactive^#

1.1

(0.7–1.5)

.7408

0.8

(0.6–1.1)

.1888

0.9

(0.6–1.3)

.4997

Unemployed

1.3

(0.7–2.4)

.4012

0.8

(0.5–1.4)

.401

1.2

(0.7–2.1)

.6006

Income

Below $SD 20,000

Ref

$SD 20,000 to 49,999

1.2

(0.9–1.7)

.2873

1.0

(0.8–1.3)

.8953

0.7

(0.5–1.1)

.1109

$SD 50,000 and above

0.9

(0.5–1.5)

.6098

1.1

(0.8–1.6)

.4576

0.6

(0.4–1.1)

.1117

Smoking

No

Ref

Yes

1.5

(0.9–2.5)

.1411

1.1

(0.8–1.6)

.5584

1.0

(0.6–1.8)

.9424