Table 2.
Unweighted prevalence and concordance measures for chronic diseases using health administrative and self-reported data
| Self-reported data | Health administrative data | ||||
|---|---|---|---|---|---|
|
Diabetes |
Yes |
No |
Total |
Kappa |
0.80 (0.80, 0.81) |
| Yes |
5,312 |
474 |
5,786 |
Sensitivity of self-report |
0.73 |
| No |
1,867 |
77,848 |
79,715 |
Specificity of self-report |
0.99 |
| Total |
7,179 |
78,322 |
85,501 |
Positive agreement |
82% |
| (missing = 48) |
|
|
Negative agreement |
99% |
|
| |
Prevalence HA vs. SR |
8.4% vs. 6.8% |
|||
|
Stroke |
Yes |
No |
Total |
|
|
| Yes |
433 |
1,020 |
1,453 |
Kappa |
0.36 (0.34, 0.39) |
| No |
453 |
83,592 |
84,045 |
Sensitivity of self-report |
0.49 |
| Total |
886 |
84,612 |
85,498 |
Specificity of self-report |
0.99 |
| (missing = 51) |
|
Positive agreement |
37% |
||
| |
Negative agreement |
99% |
|||
| |
Prevalence HA vs. SR |
1.0% vs. 1.7% |
|||
|
Hypertension |
Yes |
No |
Total |
|
|
| Yes |
15,314 |
2,530 |
17,844 |
Kappa |
0.66 (0.65, 0.66) |
| No |
8,284 |
59,293 |
67,577 |
Sensitivity of self-report |
0.65 |
| Total |
23,598 |
61,823 |
85,421 |
Specificity of self-report |
0.96 |
| (missing = 128) |
|
|
Positive agreement |
74% |
|
| |
|
|
Negative agreement |
92% |
|
| |
|
|
Prevalence HA vs. SR |
27.6% vs. 20.8% |
|
|
AMI* |
Yes |
No |
Total |
|
|
| Yes |
732 |
1,326 |
2,058 |
Kappa |
0.48 (0.45, 0.50) |
| No |
213 |
54,799 |
55,012 |
Sensitivity of self-report |
0.77 |
| Total |
945 |
56,125 |
57,070 |
Specificity of self-report |
0.98 |
| (missing = 74) |
|
|
Positive agreement |
49% |
|
| |
|
Negative agreement |
99% |
||
| |
|
Prevalence HA vs. SR |
1.7% vs. 3.6% |
||
|
CHF* |
Yes |
No |
Total |
|
|
| Yes |
413 |
458 |
871 |
Kappa |
0.33 (0.30, 0.35) |
| No |
1,151 |
55,042 |
56,193 |
Sensitivity of self-report |
0.26 |
| Total |
1,564 |
55,500 |
57,064 |
Specificity of self-report |
0.99 |
| (missing = 80) |
|
|
Positive agreement |
34% |
|
| |
|
Negative agreement |
99% |
||
| |
|
Prevalence HA vs. SR |
2.7% vs. 1.5% |
||
|
Asthma |
Yes |
No |
Total |
|
|
| Yes |
4,620 |
2,742 |
7,362 |
Kappa |
0.55 (0.54, 0.56) |
| No |
3,730 |
74,417 |
78,147 |
Sensitivity of self-report |
0.55 |
| Total |
8,350 |
77,159 |
85,509 |
Specificity of self-report |
0.96 |
| (missing = 40) |
|
|
Positive agreement |
59% |
|
| |
|
|
Negative agreement |
96% |
|
| |
|
|
Prevalence HA vs. SR |
9.8% vs. 8.6% |
|
|
COPD (≥ 35 years) |
Yes |
No |
Total |
|
|
| Yes |
1,880 |
1,842 |
3,722 |
Kappa |
0.29 (0.27, 0.30) |
| No |
5,474 |
56,916 |
62,390 |
Sensitivity of self-report |
0.26 |
| Total |
7,354 |
58,758 |
66,112 |
Specificity of self-report |
0.97 |
| (missing = 12) |
|
|
Positive agreement |
34% |
|
| |
|
|
Negative agreement |
94% |
|
| Prevalence HA vs. SR | 11.1% vs. 5.6% | ||||
*For CCHS cycle 1.1 and 2.1 — assumes ‘no’ to heart disease also means ‘no’ to AMI or CHF.
Abbreviations: AMI = acute myocardial infarction; CHF = congestive heart failure; COPD = chronic obstructive pulmonary disease; HA = health administrative data; SR = self-reported data.