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Characteristics of female participants at survey, 1998–2002 |
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| Women with SLE (n = 122) |
Women without SLE (n = 203) |
P valuea |
|
|
|
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| Age at survey |
0.5 |
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| 15–24 years |
4 (3%) |
12 (6%) |
|
| 25–34 years |
21 (17%) |
31 (15%) |
|
| 35–44 years |
39 (32%) |
77 (38%) |
|
| 45–54 years |
32 (26%) |
43 (21%) |
|
| ≥ 55 years |
26 (21%) |
40 (20%) |
|
| Mean (standard deviation) age at interview (years) |
44.4 (11.6) |
43.4 (12.1) |
|
| Education after 18 years |
23 (19%) |
29 (14%) |
0.6 |
| Running water aged 12 years |
77 (63%) |
149 (73%) |
0.05 |
| Ever smoked |
10 (8%) |
27 (13%) |
0.3 |
| Marital status |
0.02 |
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| Ever married/cohabited |
83 (68%) |
161 (79%) |
|
| Other |
39 (32%) |
42 (21%) |
|
| Hysterectomy reported at survey |
15 (12%) |
22 (11%) |
0.7 |
| Ever used contraceptive pillb |
66 (55%) |
100 (51%) |
0.5 |
| Ever been pregnant |
97 (80%) |
184 (91%) |
0.002 |
|
aFrom chi-squared test for heterogeneity, detecting differences between women with systemic lupus erythematosus (SLE) and those without SLE. bTwo women with SLE and seven women without SLE had missing values for this variable. | |||
Molokhia et al. Arthritis Research & Therapy 2007 9:R124 doi:10.1186/ar2332 |
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