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Prevalence of stroke (% and n/N) and its association with Family Average Income (FAI) by basic demographic variables in Nanjing, China |
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| Variables |
FAI Category |
Stroke (% and n) |
Non-stroke (% and n) |
Unjusted Odds ratio (95%CI) |
Adjusted Odds ratio† (95%CI) |
|
|
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| Age (yrs) |
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| 35–49 |
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| Lower |
8 (0.19) |
4119 (99.81) |
1 |
1 |
|
| Middle |
6 (0.12) |
4874 (99.88) |
0.94(0.39, 2.31) |
0.33(0.11, 1.00) |
|
| Higher |
2 (0.05) |
4203 (99.95) |
0.94(0.39, 2.31) |
0.08(0.02, 0.49) |
|
| 50–64 |
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| Lower |
22 (0.70) |
3120 (99.30) |
1 |
1 |
|
| Middle |
37 (1.37) |
2659 (98.63) |
2.37(1.24, 4.50) |
0.91(0.51, 1.63) |
|
| Higher |
80 (1.94) |
4035 (98.06) |
3.50(1.81, 6.78) |
0.99(0.56, 1.75) |
|
| 65+ |
|||||
| Lower |
33 (1.36) |
2387 (98.64) |
1 |
1 |
|
| Middle |
64 (4.52) |
1351 (95.48) |
3.51(1.79, 6.89) |
1.96(1.23, 3.13) |
|
| Higher |
210 (8.59) |
2139 (91.41) |
5.21(2.63, 10.32) |
3.21(2.06, 4.99) |
|
| Gender |
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| Women |
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| Lower |
25 (0.49) |
5038 (99.51) |
1 |
1 |
|
| Middle |
43 (0.97) |
4393 (99.03) |
2.43(1.23, 4.79) |
1.28(0.81, 2.02) |
|
| Higher |
118 (2.25) |
5125 (97.75) |
3.73(1.88, 7.40) |
1.51(0.98, 2.33) |
|
| Men |
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| Lower |
38 (0.82) |
4588 (99.18) |
1 |
1 |
|
| Middle |
64 (1.41) |
4491 (98.59) |
2.36(1.40, 3.97) |
1.59(0.92, 2.72) |
|
| Higher |
165 (3. 50) |
5252 (96.50) |
3.85(2.26, 6.58) |
2.64(1.58, 4.40) |
|
| Area |
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| Rural |
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| Lower |
28 (0.43) |
6441 (99.57) |
1 |
1 |
|
| Middle |
8 (0.30) |
2616 (99.70) |
1.38(0.54, 3.48) |
0.93(0.41, 2.12) |
|
| Higher |
1 (0.26) |
387 (99.74) |
1.23(0.16, 9.58) |
0.59(0.08, 4.54) |
|
| Urban |
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| Lower |
35 (1.09) |
3185 (98.91) |
1 |
1 |
|
| Middle |
99 (1.55) |
6268 (98.45) |
2.92(1.77, 4.82) |
1.58(1.06, 2.34) |
|
| Higher |
282 (2.74) |
9992 (97.26) |
4.64(2.82, 7.64) |
2.63(1.95, 3.55) |
|
| Education (yrs) |
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| 0–9 |
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| Lower |
59 (0.65) |
8959 (99.35) |
1 |
1 |
|
| Middle |
90 (1.31) |
6782 (98.69) |
2.02(1.45, 2.80) |
1.46(1.01, 2.10) |
|
| Higher |
120 (3.04) |
3827 (96.96) |
4.76 (3.48, 6.52) |
2.01(1.39, 2.90) |
|
| 10–12 |
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| Lower |
4 (0.62) |
637 (99.38) |
1 |
1 |
|
| Middle |
15 (0.85) |
1755 (99.15) |
1.36(0.45, 4.12) |
0.63(0.19, 2.07) |
|
| Higher |
51 (1.66) |
3019 (98.34) |
2.69 (0.97, 7.47) |
0.65(0.21, 2.01) |
|
| 13+ |
|||||
| Lower |
0 (0.00) |
30 (100.0) |
1 |
1 |
|
| Middle |
2 (0.57) |
347 (99.43) |
N/A |
N/A |
|
| Higher |
112 (3.07) |
3531 (96.93) |
N/A |
N/A |
|
| Occupation* |
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| Blue collar |
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| Lower |
37 (0.49) |
7548 (99.51) |
1 |
1 |
|
| Middle |
36 (0.65) |
5502 (99.35) |
1.34(0.84, 2.12) |
1.33(0.80, 2.21) |
|
| Higher |
20 (0.73) |
2720 (99.27) |
1.50 (0.87, 2.59) |
1.11(0.59, 2.07) |
|
| Service people |
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| Lower |
13 (0.77) |
1668 (99.23) |
1 |
1 |
|
| Middle |
10 (0.75) |
1316 (99.25) |
0.98(0.43, 2.23) |
1.43(0.58, 3.51) |
|
| Higher |
11 (1.69) |
641 (98.31) |
2.20(0.98, 4.94) |
3.49(1.32, 9.24) |
|
| White collar |
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| Lower |
13 (3.07) |
410 (96.93) |
1 |
1 |
|
| Middle |
61 (2.87) |
2066 (97.13) |
0.93(0.51, 1.71) |
0.91(0.49, 1.70) |
|
| Higher |
252 (3.47) |
7014 (96.53) |
1.13(0.64, 2.00) |
1.18(0.66, 2.13) |
|
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n = number of participants with stroke within sub-group; N = total number of participants within sub-group. †Odds ratios adjusted for age, gender, area of residence, BMI category, smoking status, alcohol drinking, diabetes, high blood pressure, occupational and leisure-time physical activity. N/A = not applicable. *Blue collar = farmer, factory worker, forestry worker, fisher; Service people = salespeople, house worker; White collar = office worker, teacher, doctor and retired people. Lower FAI = the reference category. | |||||
Xu et al. BMC Public Health 2008 8:170 doi:10.1186/1471-2458-8-170 |
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