Values are means (SD) or percentages. TZS: Tanzanian Shilling. US$1 ≈ 1500 TZS during recruitment. P-values are calculated from χ2 tests of independence for categorical variables and Kruskal-Wallis te
Values are means (SD) or percentages. TZS: Tanzanian Shilling. US$1 ≈ 1500 TZS during recruitment. P-values are calculated from χ2 tests of independence for categorical variables and Kruskal-Wallis te