Table 3. Effects of intervention on secondary outcomes in people with hypertension: complete case analysis.
| Outcome | Number of participants | Unadjusted mean change (95% CI) | Unadjusted net mean change (95% CI) | P value | Adjusted net mean change (95% CI) | P value | ||
|---|---|---|---|---|---|---|---|---|
| Intervention | UC | Intervention n = 459 |
UC n = 1,012 |
|||||
| Overall | ||||||||
| SBP (mm Hg) | 459 | 1,011 | −8.2 (−10.0 to −6.3) | −2.1 (−3.4 to −0.8) | −6.1 (−8.4 to −3.8) | <0.001 | −5.0 (−7.1 to −3.0)* | <0.001 |
| DBP (mm Hg) | 459 | 1,011 | −4.2 (−5.3 to −3.1) | −2.2 (−3.0 to −1.4) | −2.0 (−3.4 to 0.6) | 0.004 | −2.1 (−3.6 to −0.6)† | <0.006 |
| Women | ||||||||
| SBP (mm Hg) | 280 | 596 | −6.7 (−8.8 to −4.6) | −1.5 (−3.1 to 0.2) | −5.2 (−8.0 to −2.4) | <0.001 | −4.8 (−7.2 to −2.3)‡ | <0.001 |
| DBP (mm Hg) | 280 | 596 | −2.6 (−3.9 to −1.3) | −1.7 (−2.7 to 0.8) | −0.9 (−2.5 to 0.7) | 0.29 | −1.3 (−2.7 to 0.0)§ | 0.06 |
| Men | ||||||||
| SBP (mm Hg) | 178 | 411 | −10.5 (−13.8 to −7.2) | −3.1 (−5.2 to −1.0) | −7.4 (−11.3 to −3.5) | <0.001 | −6.3 (−10.3 to −2.2)‖ | 0.002 |
| DBP (mm Hg) | 178 | 411 | −6.8 (−8.8 to −4.8) | −3.0 (−4.3 to −1.7) | −3.8 (−6.2 to −1.4) | 0.002 | −3.9 (−7.0 to −0.8)¶ | 0.014 |
For change values, negative number demonstrates improvement. Adjusted analyses were conducted using mixed effects linear regression, clustered by region and village.
*Adjusted for age, sex, SBP at baseline, use of antihypertensive medications, change in body mass index, and alcohol use; 37 missing observations due to missing variables. ICC = 0.022.
†Adjusted for age, sex, DBP at baseline, education, use of antihypertensive medications, change in body mass index, fruit per week, and alcohol use; 49 missing observations due to missing variables. ICC = 0.020.
‡Adjusted for age, SBP at baseline, regular visits to doctor, use of antihypertensive medications, change in body mass index, and adding salt to food; 32 missing observations due to missing variables. ICC < 0.001.
§Adjusted for age, DBP at baseline, education, regular visits to doctor, use of antihypertensive medications, and change in body mass index; 13 missing observations due to missing variables. ICC = 0.010.
‖Adjusted for age, SBP at baseline, education, use of antihypertensive medications, and alcohol use; 15 missing observations due to missing variables. ICC = 0.021.
¶Adjusted for age, DBP at baseline, education, regular visits to doctor, use of antihypertensive medications, and alcohol use; 15 missing observations due to missing variables. ICC = 0.045.
DBP, diastolic blood pressure; ICC, intraclass correlation coefficient; SBP, systolic blood pressure; UC, usual care.