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Table 4 Selected characteristics of attendees (clinic-based versus home-based assessment) and non-attendees of the health assessment

From: Northern Ireland Cohort for the Longitudinal Study of Ageing (NICOLA): health assessment protocol, participant profile and patterns of participation

 

Odds ratio for attending health assessment (home or clinic)1

Clinic based health assessment

(n = 3462)

Home based health assessment

(n = 193)

No health assessment

(n = 4628)

P value2

 

Exp (B) (95% CI)

n (%)

n (%)

n (%)

 

Age group (yrs)

     

50–64

65–74

≥ 75

Ref***

0.97 (0.85, 1.11)

0.53 (0.45, 0.63)

1937 (56.0)

1125 (32.5)

400 (11.6)

40 (20.7)

62 (32.1)

91 (47.2)

2208 (47.8)

1309 (28.3)

1111 (24.0)

< 0.001

Gender

     

Male

Women

Ref***

0.80 (0.73, 0.88)

1678 (48.5)

1784 (51.5)

83 (43.0)

110 (57.0)

1990 (43.0)

2638 (57.0)

< 0.001

Marital status

     

Married / cohabiting

Never married

Separated / divorced / widowed

Ref

1.72 (0.70, 4.21)

1.93 (0.80, 4.65)

2557 (73.9)

227 (6.6)

678 (19.5)

86 (44.6)

17 (8.8)

90 (46.6)

2772 (59.9)

420 (9.1)

1436 (31.0)

< 0.001

Living status

     

Living alone

Living with others

Ref

2.27 (0.94, 5.45)

908 (26.2)

2554 (73.8)

107 (55.4)

86 (44.6)

1876 (40.5)

2752 (59.5)

< 0.001

Employment 3

     

Retired

Employed/Self-employed

Permanently sick/ disabled

Looking after home / family

In education / training / other

Ref***

0.83 (0.72, 0.95)

0.74 (0.54, 1.01)

0.44 (0.34, 0.53)

0.50 (0.38, 0.64)

1712 (49.6)

1413 (40.9)

122 (3.5)

174 (5.0)

35 (1.0)

145 (75.1)

15 (7.8)

19 (9.8)

14 (7.3)

0 (0)

2327 (51.2)

1303 (28.6)

463 (10.2)

420 (9.2)

35 (0.8)

< 0.001

Education

     

Primary / none

Secondary

Higher

Ref***

1.71 (1.51, 1.94)

2.54 (2.21, 2.92)

511 (14.8)

1504 (43.5)

1444 (41.7)

63 (32.6)

98 (50.8)

32 (16.6)

1529 (33.6)

2034 (44.6)

993 (21.8)

< 0.001

Region

     

Urban

Intermediate

Rural

Ref***

0.78 (0.68, 0.89)

0.67 (0.58, 0.78)

612 (17.7)

1754 (50.7)

1096 (31.6)

26 (13.5)

99 (51.3)

68 (35.2)

733 (15.8)

2304 (49.8)

1591 (34.4)

0.04

Multiple Deprivation Measure 4

     

1 (least deprived)

2

3

4

5 (most deprived)

Ref***

0.98 (0.85, 1.14)

0.77 (0.66, 0.88)

0.82 (0.70, 0.94)

0.62 (0.53, 0.72)

962 (27.8)

733 (21.2)

696 (20.1)

600 (17.3)

471 (13.6)

29 (15.0)

30 (15.5)

37 (19.2)

58 (30.1)

39 (20.2)

825 (17.8)

756 (16.3)

1017 (22.0)

963 (20.8)

1067 (23.1)

< 0.001

Self-reported health

     

Excellent

Very good

Good

Fair

Poor

Ref***

0.94 (0.80, 1.10)

0.89 (0.76, 1.05)

0.76 (0.64, 0.90)

0.60 (0.48, 0.74)

522 (15.1)

997 (28.8)

1057 (30.6)

648 (18.7)

235 (6.8)

12 (6.2)

32 (16.6)

39 (20.2)

63 (32.6)

47 (24.4)

428 (9.4)

1020 (22.3)

1245 (27.3)

1153 (25.3)

719 (15.7)

< 0.001

Smoking status

     

Current

Former

Never

Ref***

2.01 (1.73, 2.34)

1.97 (1.70, 2.29)

349 (10.1)

1294 (37.4)

1816 (52.5)

32 (16.6)

76 (39.4)

85 (44.0)

980 (21.5)

1498 (33.0)

2066 (45.5)

<0.001

Alcohol status

     

Current

Former

Never

Ref***

0.74 (0.66, 0.85)

0.81 (0.71, 0.92)

2408 (69.6)

491 (14.2)

561 (16.2)

80 (41.4)

53 (27.5)

60 (31.1)

2455 (54.1)

1045 (23.0)

1040 (22.9)

< 0.001

  1. ***p < 0.001 for difference between socio-demographic and health characteristics and odds of health assessment attendance
  2. 1 Each odds ratio controls for the other variables included in the table
  3. 2 P value is the statistical difference between groups
  4. 3 Some categories were combined due to low cell counts
  5. 4 Based on the Northern Ireland Multiple Deprivation Measure [81]
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