Table 4. Univariate analysis assessing association between equity factors and "Whether or not received".
| Number of respondents in category (n) | Number of respondents who received SMS (%) | Odds Ratio: SMS was actually received (95% CI, two-tailed)* | P-value** | |
|---|---|---|---|---|
| Age (years) of respondents | ||||
| Younger than 40 | 23 | 20 (13.04%) | 1.00 (reference group) | |
| 40–49 | 120 | 36 (30.00%) | 2.86 (0.80–10.22) | 0.11 |
| 50–59 | 120 | 41 (34.17%) | 3.46 (0.97–12.33) | 0.06 |
| 60–69 | 75 | 31 (41.33%) | 4.70 (1.28–17.19) | 0.02 |
| 70–79 | 30 | 17 (56.67%) | 8.72 (2.12–35.78) | 0.01 |
| Older than 80 | 16 | 13 (18.75%) | 28.89 (5.04–165.58) | <0.001 |
| Sex of respondents | ||||
| Male | 146 | 41 (28.08%) | 1.00 (reference group) | |
| Female | 238 | 100 (42.02%) | 1.86 (1.19–2.89) | 0.006 |
| Level of education (grade) of respondents | ||||
| Less than primary school | 96 | 48 (50.00%) | 1.00 (reference group) | |
| Primary school | 151 | 44 (29.14%) | 0.41 (0.24–0.70) | 0.001 |
| Secondary School | 45 | 10 (22.22%) | 0.29 (0.13–0.64) | 0.002 |
| Level of income (Kshs) of respondents | ||||
| Less than 1,000 | 37 | 19 (51.35%) | 1.00 (reference group) | |
| 1,000 to 2,499 | 71 | 17 (23.94%) | 0.30 (0.13–0.69) | 0.005 |
| 2,500 to 4,999 | 97 | 33 (34.02%) | 0.49 (0.23–1.05) | 0.07 |
| 5,000 to 7,499 | 51 | 20 (39.22%) | 0.61 (0.26–1.44) | 0.26 |
| 7,500 or greater | 36 | 7 (19.44%) | 0.23 (0.08–0.65) | 0.006 |
| Type of work | ||||
| Own business (formal or informal) | 191 | 63 (32.98%) | 1.00 (reference group) | |
| Salaried | 35 | 5 (14.29%) | 0.34 (0.13–0.91) | 0.03 |
| Casual | 73 | 29 (39.73%) | 1.34 (0.77–2.34) | 0.31 |
| None | 78 | 39 (50.00%) | 2.03 (1.19–3.47) | 0.01 |
| Number of hours worked | ||||
| Less than 8 hours | 109 | 36 (33.03%) | 1.00 (reference group) | |
| 8–10 hours | 120 | 49 (40.83%) | 1.40 (0.82–2.40) | 0.22 |
| Greater than 10 hours | 45 | 8 (17.78%) | 0.44 (0.19–1.04) | 0.06 |
| Quality of air in home | ||||
| Very High | 13 | 4 (30.77%) | 1.00 (reference group) | |
| High | 72 | 25 (34.72%) | 1.20 (0.33–4.28) | 0.78 |
| Moderate | 178 | 59 (33.15%) | 1.12 (0.33–3.77) | 0.86 |
| Low | 75 | 34 (45.33%) | 1.87 (0.53–6.59) | 0.33 |
| Very low | 45 | 18 (40.00%) | 1.50 (0.40–5.62) | 0.55 |
*Univariate Odds Ratios comparing the odds of being "Willing to receive SMS" for each non-baseline group to the odds in the baseline (“reference”) group
**P values represent results of Wald test for the Odds Ratios comparing individual levels to baseline ("reference") group within each variable