Table 3.
Reliability estimates on demographic, health risk factors and co-morbidity of people aged 16 years and over in South Australia, Australia
| Response at 1stinterview (%) | Response at 2ndinterview (%) | Observed Agreement (%) | Expected Agreement (%) | Reliability value | ||
|---|---|---|---|---|---|---|
|
Age |
|
|
|
|
ICC |
1.00 |
| 16-34 years |
10.4 |
10.4 |
|
|
|
|
| 35-54 years |
21.4 |
21.4 |
|
|
|
|
| 55 years and over |
68.2 |
68.2 |
|
|
|
|
|
Gender |
|
|
100.0 |
51.2 |
Kappa |
100.0 |
| Male |
42.2 |
42.2 |
|
|
|
|
| Female |
57.8 |
57.8 |
|
|
|
|
|
Number of people in household aged 16 + |
ICC |
0.97 (0.97 - 0.98) |
||||
|
Number of people in household aged < 16 |
ICC |
0.99 (0.99 -1.00) |
||||
|
Region of birth |
|
|
99.4 |
62.1 |
Kappa |
0.98 (0.95 – 0.99) |
| Oceania and Antarctica |
76.6 |
77.3 |
|
|
|
|
| North West Europe |
16.9 |
16.2 |
|
|
|
|
| Southern and Eastern Europe |
2.6 |
2.6 |
|
|
|
|
| North East Asia |
0.6 |
0.6 |
|
|
|
|
| Southern and Central Asia |
1.9 |
1.9 |
|
|
|
|
| Americas |
1.3 |
1.3 |
|
|
|
|
|
Health service used in last 4 weeks | ||||||
| Mean (sd) |
4.7 (4.917) |
4.8 (5.937) |
|
|
ICC |
0.90 (0.86 - 0.93) |
| Range |
0-30 |
0-52 |
|
|
|
|
| Number of times provided |
95.5 |
99.4 |
|
|
|
|
| Not stated |
4.5 |
0.6 |
|
|
|
|
|
HEALTH STATUS |
|
|
|
|
|
|
|
Overall health status |
|
|
85.8 |
64.3 |
Weighted Kappaa |
0.60 (0.46 - 0.75) |
| Excellent |
13.0 |
13.0 |
|
|
|
|
| Very good |
36.4 |
39.6 |
|
|
|
|
| Good |
31.8 |
34.4 |
|
|
|
|
| Fair |
16.2 |
9.7 |
|
|
|
|
| Poor |
2.6 |
3.2 |
|
|
|
|
|
Health conditions (ever been diagnosed by a doctor) | ||||||
| Asthma (ever) |
14.3 |
13.0 |
93.5 |
76.4 |
Kappa |
0.72 (0.56 - 0.87) |
| Diabetes |
8.4 |
8.4 |
100.0 |
84.5 |
Kappa |
1.00 |
| Arthritis |
26.0 |
27.3 |
92.2 |
60.9 |
Kappa |
0.80 (0.693 - 0.91) |
| Heart attack |
6.5 |
6.5 |
97.4 |
87.9 |
Kappa |
0.79 (0.583 - 0.99) |
| Angina |
3.2 |
4.5 |
98.7 |
92.5 |
Kappa |
0.83 (0.592 - 0.99) |
| Heart disease |
3.9 |
3.2 |
96.8 |
93.1 |
Kappa |
0.52 (0.17 - 0.89) |
| Stroke |
2.6 |
1.9 |
99.4 |
95.6 |
Kappa |
0.85 (0.57 - 0.99) |
| Osteoporosis |
7.1 |
5.8 |
99.4 |
87.9 |
Kappa |
0.79 (0.58 - 0.99) |
|
HEALTH-RELATED RISK FACTORS | ||||||
|
Ever been told by doctor or nurse you have … | ||||||
| High blood pressure |
35.1 |
37.0 |
91.6 |
53.9 |
Kappa |
0.82 (0.72 - 0.91) |
| High cholesterol |
38.3 |
37.7 |
90.3 |
52.9 |
Kappa |
0.79 (0.69 - 0.89) |
|
Height (cms) |
|
|
|
|
|
|
| Mean (sd) |
169.6 (9.735) |
169.2 (9.429) |
|
|
ICC |
0.97 (0.96 - 0.98) |
| Range |
147.3-193.0 |
147.3-193.0 |
|
|
|
|
| Height provided |
98.7 |
98.7 |
|
|
|
|
| Not stated |
1.3 |
1.9 |
|
|
|
|
|
Weight (kgs) |
|
|
|
|
|
|
| Mean (sd) |
77.3 (17.117) |
77.5 (17.150) |
|
|
ICC |
1.00 (0.99 - 1.00) |
| Range |
44.5-151 |
44.5-150 |
|
|
|
|
| Weight provided |
96.8 |
96.1 |
|
|
|
|
| Not stated |
3.2 |
3.9 |
|
|
|
|
|
BMI (derived)c |
|
|
|
|
|
|
| Mean (sd) |
26.7 (4.918) |
27.1 (4.980) |
|
|
ICC |
0.98 (0.98 - 0.99) |
| Range |
17.1-47.8 |
18.5-47.5 |
|
|
|
|
| BMI calculated |
96.1 |
95.4 |
|
|
|
|
| Not stated |
3.9 |
4.6 |
|
|
|
|
|
Body Mass Index (derived) |
|
|
97.9 |
70.2 |
Weighted Kappaa |
0.93 (0.75 - 1.00) |
| Underweight (<18.5) |
0.7 |
- |
|
|
|
|
| Normal (> = 18.5 & < 25) |
43.5 |
40.4 |
|
|
|
|
| Overweight (> = 25 & <30) |
32.0 |
34.2 |
|
|
|
|
| Obese (> = 30) |
23.8 |
25.3 |
|
|
|
|
|
Which best describes your home smoking situation…. |
96.1 |
86.0 |
Kappa |
0.59 (0.33 - 0.85) |
||
| My home is smoke free (includes smoking is allowed outside) |
94.2 |
94.3 |
|
|
|
|
| People occasionally smoke in the house |
3.9 |
3.8 |
|
|
|
|
| People frequently smoke in the house |
1.9 |
1.9 |
|
|
|
|
|
Which of the following describes your smoking status.. |
84.4 |
38.2 |
Kappa |
0.75 (0.66 - 0.84) |
||
| I smoke daily |
8.4 |
7.8 |
|
|
|
|
| I smoke occasionally |
2.6 |
3.9 |
|
|
|
|
| I don't smoke now but I used to |
27.3 |
29.2 |
|
|
|
|
| I've tried it a few times but never smoked regularly |
6.5 |
6.5 |
|
|
|
|
| I've never smoked |
55.2 |
52.6 |
|
|
|
|
|
Smoking status (derived) |
|
|
89.0 |
42.4 |
Kappa |
0.81 (0.72 - 0.89) |
| Smoker |
55.2 |
52.6 |
|
|
|
|
| Ex -smoker |
33.8 |
35.7 |
|
|
|
|
| Non -smoker |
11.0 |
11.7 |
|
|
|
|
|
Alcohol consumption |
|
|
|
|
|
|
|
Number of days a week drink alcohol … |
83.0 |
37.5 |
Weighted Kappab |
0.75 (0.64 - 0.85) |
||
| Don't drink alcohol |
20.1 |
25.3 |
|
|
|
|
| Less than once per week |
26.0 |
18.8 |
|
|
|
|
| 1 |
14.9 |
18.2 |
|
|
|
|
| 2 |
11.7 |
9.1 |
|
|
|
|
| 3 |
5.8 |
8.4 |
|
|
|
|
| 4 |
3.2 |
3.2 |
|
|
|
|
| 5 |
4.5 |
6.5 |
|
|
|
|
| 6 |
0.6 |
1.3 |
|
|
|
|
| 7 |
13.0 |
9.1 |
|
|
|
|
|
Number of standard drinks per day when drinking.... |
ICC |
0.75 (0.63 - 0.83) |
||||
| Mean (sd) |
2.5 (2.562) |
2.3 (2.013) |
|
|
|
|
| Range |
1-20 |
1-12 |
|
|
|
|
| Number of drinks provided |
100.0 |
100.0 |
|
|
|
|
| Not stated |
- |
- |
|
|
|
|
|
Risk to health due to alcohol consumption (short term) (derived) |
95.0 |
85.3 |
Weighted Kappab |
0.66 (0.45 - 0.87 |
||
| Non- drinker |
20.1 |
25.3 |
|
|
|
|
| Low risk |
54.5 |
51.3 |
|
|
|
|
| Risky |
23.4 |
20.8 |
|
|
|
|
| High risk |
1.9 |
2.6 |
|
|
|
|
|
Serves vegetables per day |
ICC |
0.64 (0.50 - 0.74) |
||||
| Mean (sd) |
3.0 (1.453) |
3.0 (1.600) |
|
|
|
|
| Range |
0.5 - 8.0 |
0 - 8.0 |
|
|
|
|
| Serves per day provided |
100.0 |
98.7 |
|
|
|
|
| Not stated |
- |
1.3 |
|
|
|
|
| 1 or less serves (derived) |
14.3 |
17.1 |
93.2 |
86.2 |
Weighted Kappaa |
0.50 (0.32 - 0.69) |
| 2 to 4 serves |
69.5 |
66.4 |
|
|
|
|
| 5 or more serves |
16.2 |
16.4 |
|
|
|
|
|
Serves fruit per day |
|
|
|
|
ICC |
0.83 (0.77 - 0.88) |
| Mean (sd) |
1.7 (1.034) |
1.6 (1.069) |
|
|
|
|
| Range |
0 - 8.0 |
0 - 8.0 |
|
|
|
|
| Serves per day provided |
100.0 |
100.0 |
|
|
|
|
| Not stated |
- |
- |
|
|
|
|
| None to 1 serves (derived) |
46.1 |
54.5 |
96.0 |
89.0 |
Weighted Kappaa |
0.60 (0.45 - 0.76) |
| 2 or more serves |
53.9 |
45.5 |
|
|
|
|
|
Total time walking in a week (mins) |
ICC |
0.47 (0.27 - 0.61) |
||||
| Mean (sd) |
120.4 (163.3) |
99.3 (163.1) |
|
|
|
|
| Range |
0-1200 |
0-1260 |
|
|
|
|
| Minutes/hours per week provided |
100.0 |
97.4 |
|
|
|
|
| Not stated | - | 2.6 | ||||
Note : ICC Intraclass correlation coefficient.
a: weighting system used: 1 (perfect agreement), 0.8 (difference of 1 category) and 0 (difference of 2 to 4 categories).
b: weighting system used: 1 (perfect agreement), 0.9 (difference of 1 category) and 0 (difference of 2 to 8).
c: only calculated for respondents aged 18 years and over (n = 153).