Table 3:
Pooled multivariate logistic regression model of socio-demographic characteristics and association with chronic conditions in women newly diagnosed with breast cancer in South Africa.
| Socio-demographic characteristics | Obesity (BMI ≥ 30.0 kg/m2) | Hypertension | Diabetes | Cerebrovascular disease | Asthma/COPD | HIV positive | Tuberculosis |
|---|---|---|---|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Age in years | 1.00 (0.99–1.00) | 1.08 (1.07–1.09)b | 1.04 (1.03–1.05)b | 1.04 (1.02–1.06)b | 0.99 (.98–1.01) | 0.94 (0.93–0.95)b | 0.97 (0.95–0.98)b |
| Race | |||||||
| White | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) |
| Asian | 0.8 (0.6–1.3) | 3.3 (2.1–5.3)b | 9.4 (4.5–19.6)b | 1.1 (0.4–3.1) | 1.0 (0.5–2.1) | 0.3 (0.1–3.6) | 0.8 (0.2–3.0) |
| Black | 2.1 (1.4–2.9)b | 2.4 (1.6–3.5)b | 2.8 (1.4–5.8)b | 0.6 (0.2–1.6) | 0.5 (0.3–0.9) a | 16.4 (4.0–67.2)b | 2.5 (0.9–6.9) |
| Mixed | 1.5 (0.9–2.6) | 2.8 (1.6–5.0)b | 4.4 (1.9–10.3)b | 0.5 (0.1–2.8) | 0.7 (0.3–1.8) | 5.2 (1.1–25.7)a | 2.0 (0.5–7.2) |
| Highest level of education | |||||||
| Primary education and below | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) |
| Secondary and above | 1.2 (0.9–1.5) | 1.0 (0.8–1.2) | 0.9 (0.6–1.2) | 0.8 (0.4–1.4) | 0.8 (0.4–1.2) | 1.2 (0.9–1.6) | 0.7 (0.5–1.1) |
| Employment status | |||||||
| Unemployed | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) | 1.0 (Ref) |
| Employed | 1.2 (0.9–1.4) | 0.8 (0.6–1.0) | 0.7 (0.5–0.9)a | 0.7 (0.3–1.6) | 0.7 (0.4–1.2) | 1.2 (0.9–1.5) | 0.8 (0.6–1.2) |
| Household socio-economic status (score 0–6) | 1.2 (1.1–1.2)b | 1.1 (1.0–1.1) a | 1.1 (1.0–1.2) a | 0.9 (0.8–1.1) | 1.2 (1.0–1.3) a | 0.8 (0.8–0.9)b | 0.9 (0.8–1.0) |
| R2 | 0.02 | 0.19 | 0.11 | 0.06 | 0.02 | 0.22 | 0.04 |
OR (Odds ratio), 95% CI (95% confidence interval), COPD (Chronic obstructive pulmonary disease),
a
Significant at p<0.05,
b
Significant at p<0.001
a
HSES: Household socio-economic status (possessions) score determined from: (home ownership=1, motor vehicle=1, microwave=1, washing machine=1, flush toilet=1, indoor running water=1) Denominator= 6 (1 for Yes, 0 for No).