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Table 1 Descriptive statistics for the sample overall and by the three study groups

From: Announcing the availability of oral HIV self-test kits via text message to increase HIV testing among hard-to-reach truckers in Kenya: a randomized controlled trial

  Total Intervention Enhanced SOC SOC P-value
Total, n (total %) 2260 (100.0%) 750 (33.2%) 748 (33.1%) 762 (33.7%) NA
Male, n (total %) 2260 (100.0%) 750 (33.2%) 748 (33.1%) 762 (33.7%) NA
Age 0.5901
 Mean (SD) 35.3 (8.7) 35.2 (8.9) 35.5 (8.6) 35.2 (8.5)  
 Median (Range) 34.0 (18.0–76.0) 34.0 (18.0–75.0) 34.5 (18.0–76.0) 34.0 (18.0–68.0)  
Marital status 0.561
 Married/Cohabitating 1725 (76.3%) 569 (75.9) 581 (77.7%) 575 (75.5%)  
 Unmarried (single, divorced/separated) 535 (23.7%) 181 (24.1%) 167 (22.3%) 187 (24.5%)  
Trucker Job 0.859
 Driver 1917 (84.9%) 633 (84.4%) 634 (84.9%) 650 (85.4%)  
 Assistant (Turnboy) 341 (15.1%) 117 (15.6%) 113 (15.1%) 111 (14.6%)  
 Missing 2 0 1 1  
Test in past year, n (column %) 0.254
 Yes 607 (26.9%) 199 (26.5%) 188 (25.1%) 220 (28.9%)  
 No 1653 (73.1%) 551 (73.5%) 560 (74.9%) 542 (71.1%)  
Months since last test among those tested in past year (among those who tested in past year) 0.301
 Mean (SD) 5.9 (2.6) 5,8 (2.5) 6.1 (2.7) 5.8 (2.6)  
 Median (Range) 4.0 (3.0–11.0) 4.0 (3.0–11.0) 5.0 (3.0–11.0) 4.0 (3.0–11.0)  
North Star Alliance Clinic where last seen, n (column %) 0.5822
 Burnt Forest, Kenya 17 (0.8%) 7 (0.9%) 5 (0.7%) 5 (0.8)  
 Emali, Kenya 176 (7.8%) 53 (7.1%) 57 (7.6%) 66 (8.7%)  
 Jomvu, Kenya 1094 (48.4%) 363 (48.4%) 370 (49.5%) 361 (47.4%)  
 Maai Mahiu, Kenya 5 (0.2) 3 (0.4%) 1 (0.1%) 1 (0.1%)  
 Mlolongo, Kenya 20 (0.9%) 4 (0.5%) 9 (1.2%) 7 (0.9%)  
 Mombasa, Kenya 146 (6.5%) 45 (6.0%) 57 (7.6%) 44 (5.8%)  
 Namanga, Kenya 174 (7.7%) 54 (7.2%) 51 (6.8%) 69 (9.1%)  
 Salgaa, Kenya 625 (27.7%) 220 (29.3%) 197 (26.3%) 208 (27.3%)  
 Malaba, Uganda 1 (0.0%) 0 (0.0%) 0 (0.0%) 1 (0.1%)  
 Katuna, Uganda 1 (0.0%) 0 (0.0%) 1 (0.1%) 0 (0.0%)  
 Tunduma, Tanzania 1 (0.0%) 1 (0.1%) 0 (0.0%) 0 (0.0%)  
  1. 1P-value from Kruskal Wallis Test
  2. 2P-value from Chi-square test