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Table 2 Health risk factors and conditions of the 45 and Up Study and the NSW PHS populations

From: Investigation of relative risk estimates from studies of the same population with contrasting response rates and designs

 

45 and Up Study

PHS

Variable a

N

Crude % (95% CI)

Weighted b % (95% CI)

N

Crude % (95% CI)

Weighted c % (95% CI)

Fruit Consumption

      

Don't eat fruit

6620

6.5 (6.4, 6.7)

6.5 (6.4, 6.7)

321

6.1 (5.5, 6.8)

6.1 (5.2, 6.9)

< 2 serves per day

31707

31.1 (30.9, 31.4)

31.0 (30.7, 31.4)

1719

32.8 (31.6, 34.1)

33.4 (31.8, 35.1)

≥ 2 serves per day

57620

56.6 (56.3, 56.9)

56.7 (56.3, 57.0)

3135

59.9 (58.5, 61.2)

59.4 (57.7, 61.2)

Missing

5865

5.8 (5.6, 5.9)

5.7 (5.6, 5.9)

61

1.2 (0.9, 1.5)

1.0 (0.7, 1.3)

Teeth

      

Some/all natural teeth

88501

86.9 (86.7, 87.1)

88.0 (87.8, 88.2)

9321

86.7 (86.0, 87.3)

90.3 (89.7, 90.9)

No natural teeth

9953

9.8 (9.6, 10.0)

8.7 (8.5, 8.9)

1427

13.3 (12.6, 13.9)

9.7 (9.1, 10.3)

Missing

3358

3.3 (3.2, 3.4)

3.3 (3.2, 3.5)

6

0.1 (0.0, 0.1)

0.0 (0.0, 0.1)

Body Mass Index

      

Underweight

1461

1.4 (1.4, 1.5)

1.5 (1.4, 1.6)

230

2.1 (1.9, 2.4)

1.9 (1.6, 2.3)

Normal Range

35219

34.6 (34.3, 34.9)

35.6 (35.2, 35.9)

4214

39.0 (38.1, 40.0)

38.4 (37.2, 39.6)

Overweight

37373

36.7 (36.4, 37.0)

36.6 (36.2, 36.9)

3774

35.0 (34.1, 35.9)

36.0 (34.8, 37.2)

Obese

20271

19.9 (19.7, 20.2)

19.2 (18.9, 19.5)

2205

20.4 (19.7, 21.2)

20.5 (19.4, 21.5)

Missing

7488

7.4 (7.2, 7.5)

7.1 (6.9, 7.3)

373

3.5 (3.1, 3.8)

3.2 (2.8, 3.7)

Ever diagnosed with hypertension

      

No

72023

70.7 (70.5, 71.0)

72.1 (71.7, 72.4)

1189

52.1 (50.1, 54.2)

55.2 (52.6, 57.8)

Yes

25144

24.7 (24.4, 25.0)

22.9 (22.6, 23.2)

1086

47.6 (45.6, 49.7)

44.6 (42.0, 47.2)

Missing

4645

4.6 (4.4, 4.7)

5.0 (4.9, 5.2)

6

0.3 (0.1, 0.5)

0.2 (0.0, 0.4)

Ever diagnosed with diabetes

      

No

88056

86.5 (86.3, 86.7)

86.6 (86.3, 86.8)

9450

88.4 (87.8, 89.0)

89.2 (88.4, 90.0)

Yes

9111

8.9 (8.8, 9.1)

8.4 (8.2, 8.6)

1202

11.2 (10.6, 11.8)

10.5 (9.7, 11.2)

Missing

4645

4.6 (4.4, 4.7)

5.0 (4.9, 5.2)

36

0.3 (0.2, 0.4)

0.3 (0.2, 0.4)

Ever diagnosed with asthma

      

No

55034

84.0 (83.7, 84.3)

83.8 (83.5, 84.1)

8753

82.0 (81.3, 82.8)

83.2 (82.2, 84.1)

Yes

7653

11.7 (11.4, 11.9)

11.4 (11.1, 11.7)

1894

17.8 (17.0, 18.5)

16.7 (15.8, 17.6)

Missing

2835

4.3 (4.2, 4.5)

4.8 (4.6, 5.0)

22

0.2 (0.1, 0.3)

0.1 (0.1, 0.2)

Fallen in the past 12 months

      

No

42038

75.1 (74.8, 75.5)

74.1 (73.7, 74.6)

2957

77.3 (76.0, 78.7)

77.5 (75.9, 79.1)

Yes

10757

19.2 (18.9, 19.6)

20.0 (19.6, 20.4)

856

22.4 (21.1, 23.7)

22.1 (20.6, 23.7)

Missing

49017

5.6 (5.4, 5.8)

5.8 (5.6, 6.1)

11

0.3 (0.1, 0.5)

0.4 (0.1, 0.6)

Last Mammography Screening

      

Not within past 2 years

12622

26.2 (25.9, 26.6)

28.6 (28.1, 29.1)

1018

34.4 (32.7, 36.1)

36.7 (34.5, 39.0)

Within past 2 years

30056

62.5 (62.1, 62.9)

60.1 (59.6, 60.6)

1925

65.1 (63.4, 66.8)

62.8 (60.6, 65.1)

Missing

5413

11.3 (11.0, 11.5)

11.3 (11.0, 11.7)

15

0.5 (0.3, 0.8)

0.4 (0.2, 0.7)

Hysterectomy

      

No

29487

73.9 (73.4, 74.3)

76.6 (76.1, 77.0)

1583

71.1 (69.2, 73.0)

74.2 (72.0, 76.4)

Yes

10431

26.1 (25.7, 26.6)

23.4 (23.0, 23.9)

630

28.3 (26.4, 30.2)

25.0 (22.8, 27.2)

Missing

0

-

-

13

0.6 (0.3, 0.9)

0.8 (0.3, 1.3)

Psychological Distress

      

Low\Moderate

81542

80.1 (79.8, 80.3)

80.7 (80.4, 81.0)

9503

88.8 (88.2, 89.4)

88.9 (88.1, 89.7)

High\Very high

6663

6.5 (6.4, 6.7)

6.8 (6.6, 7.0)

1101

10.3 (9.7, 10.9)

10.2 (9.4, 11.0)

Missing

13607

13.4 (13.2, 13.6)

12.5 (12.2, 12.7)

100

0.9 (0.8, 1.1)

0.9 (0.7, 1.2)

Current Smoker

      

No

93685

92.0 (91.9, 92.2)

91.9 (91.7, 92.1)

9468

87.9 (87.3, 88.6)

88.1 (87.3, 89.0)

Yes

7575

7.4 (7.3, 7.6)

7.6 (7.4, 7.8)

1292

12.0 (11.4, 12.6)

11.8 (11.0, 12.7)

Missing

552

0.5 (0.5, 0.6)

0.5 (0.5, 0.6)

7

0.1 (0.0, 0.1)

0.1 (0.0, 0.1)

Last Bowel Screening

      

Not within past 5 years

49036

54.8 (54.5, 55.2)

55.9 (55.6, 56.3)

2497

53.5 (52.1, 54.9)

54.6 (52.7, 56.4)

Within past 5 years

35990

40.3 (39.9, 40.6)

39.2 (38.8, 39.6)

2098

45.0 (43.5, 46.4)

43.3 (41.5, 56.4)

Missing

4387

4.9 (4.8, 5.0)

4.9 (4.7, 5.0)

72

1.5 (1.2, 1.9)

2.2 (1.4, 2.9)

Self-reported Health Status

      

Excellent

14920

14.7 (14.4, 14.9)

15.5 (15.2, 15.8)

2433

17.8 (17.2, 18.5)

18.1 (17.2, 18.9)

Very Good

36046

35.4 (35.1, 35.7)

35.4 (35.0, 35.7)

3815

28.0 (27.2, 28.7)

28.5 (27.5, 29.5)

Good

33178

32.6 (32.3, 32.9)

32.1 (31.7, 32.4)

3990

29.2 (28.5, 30.0)

29.8 (28.7, 30.8)

Fair

11878

11.7 (11.5, 11.9)

11.4 (11.2, 11.6)

2265

16.6 (16.0, 17.2)

16.0 (15.2, 16.8)

Poor

2090

2.1 (2.0, 2.1)

2.0 (1.9, 2.1)

863

6.3 (5.9, 6.7)

5.8 (5.3, 6.3)

Very Poor d

N/A

  

239

1.8 (1.5, 2.0)

1.6 (1.3, 1.9)

Missing

3700

3.6 (3.5, 3.7)

3.7 (3.5, 3.8)

44

0.3 (0.2, 0.4)

0.3 (0.2, 0.4)

  1. CI, Confidence Interval; NSW, New South Wales;
  2. a Variables above the line-break are highly comparable across the two surveys. Variables below the line-break are moderately comparable but similar across the two surveys
  3. b Weighted by age, sex and remoteness
  4. c Weighted by area health service, probability of selection in the household and the number of residential connections to the house
  5. d The category 'Very Poor' was only available on the NSW Population Health Survey
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