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The Scottish Health Survey 2008

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Table 7.12 Estimated odds ratio for obesity ( BMI >=30 kg/m 2 ), by associated risk factors and sex

Aged 16 and over with both valid height and weight measurements
2008

Independent variables

Men

Women

Base (weighted)

2692

Odds ratio

95% Confidence interval

Base (weighted)

2828

Odds ratio

95% Confidence interval

Age

(p<0.001)

(p<0.001)

16-24

430

1

378

1

25-34

432

2.11

1.11, 4.04

407

1.29

0.79, 2.11

35-44

481

3.52

1.86, 6.65

537

2.16

1.34, 3.48

45-54

484

2.99

1.59, 5.61

509

2.37

1.45, 3.87

55-64

413

3.84

2.02, 7.32

426

3.03

1.85, 4.98

65-74

285

2.89

1.47, 5.70

322

2.45

1.45, 4.12

75+

167

1.49

0.70, 3.16

249

1.37

0.79, 2.37

Equivalised household income quintile

(p=0.361)

(p=0.050)

1 st (highest)

588

1

533

1

2 nd

511

1.14

0.82, 1.60

501

1.33

0.95, 1.86

3 rd

536

1.06

0.74, 1.52

519

1.40

0.99, 1.97

4 th

373

1.16

0.79, 1.68

459

1.57

1.12, 2.20

5 th (lowest)

366

0.78

0.52, 1.17

472

1.15

0.80, 1.65

Not applicable

319

1.01

0.66, 1.54

346

1.05

0.70, 1.57

Scottish Index of Multiple Deprivation quintile

(p=0.103)

(p=0.001)

5 th (least deprived)

483

1

550

1

4 th

681

1.01

0.72, 1.42

631

1.25

0.93, 1.68

3 rd

482

1.25

0.89, 1.75

517

1.42

1.04, 1.94

2 nd

551

1.40

0.98, 2.00

580

1.77

1.30, 2.42

1 st (most deprived)

496

1.52

1.04, 2.22

551

1.82

1.32, 2.52

Marital / partnership status

(p=0.015)

(p=0.009)

Married/civil partnership a

1373

1

1337

1

Living as married

301

0.60

0.39, 0.91

296

0.69

0.46, 1.04

Single

747

0.55

0.39, 0.78

571

1.24

0.88, 1.75

Married/civil partnership - separated

75

0.83

0.49, 1.42

100

1.31

0.81, 2.12

Divorced/dissolved civil partnership

101

0.78

0.47, 1.29

209

0.63

0.44, 0.90

Widowed/surviving civil partner

94

0.80

0.49, 1.32

316

0.79

0.56, 1.11

Cigarette smoking status

(p<0.001)

(p=0.039)

Never smoked cigarettes at all b

1225

1

1340

1

Used to smoke cigarettes occasionally

106

0.87

0.54, 1.42

150

0.84

0.55, 1.27

Used to smoke cigarettes regularly

645

0.97

0.76, 1.23

627

1.08

0.85, 1.36

Current cigarette smoker

716

0.48

0.36, 0.66

713

0.73

0.55, 0.95

Physical activity levelsc

(p<0.001)

(p<0.001)

High d

1235

1

978

1

Medium

740

1.82

1.41, 2.35

974

1.72

1.35, 2.19

Low

717

2.32

1.76, 3.06

877

2.76

2.11, 3.62

a This category includes 1 woman who did not answer the question
b This category includes 13 men and 23 women who did not answer the question
c High= 30 minutes or more on at least 5 days a week (this group represents those who meet the current physical activity recommendations); Medium= 30 minutes or more on 1 to 4 days a week; Low= fewer than 30 minutes of moderate or vigorous activity a week
d This category includes 5 men and 8 women who did not answer the question