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. 2018 May 25;18:46. doi: 10.1186/s12874-018-0507-9

Table 1.

Descriptive statistics

Study sample Target sample
All Arm A Arm B Difference A vs. B All
mean (SD) mean (SD) mean (SD) difference (p-value) mean (SD)
Age 40 (16) 40 (17) 40 (15) 0 (0.83) 39 (15)
Male 0.36 (0.48) 0.34 (0.48) 0.38 (0.49) − 0.04 (0.41) 0.46 (.50)
Education (years) 8.7 (4.0) 8.5 (4.2) 8.9 (3.8) −0.4 (0.34) 8.9 (4.0)
Employed 0.28 (0.45) 0.27 (0.45) 0.29 (0.46) −0.02 (0.63) 0.34 (0.47)
Tested HIV positivea 0.63 (0.48) 0.66 (0.48) 0.61 (0.49) 0.05 (0.26) 0.50 (0.50)
Tested HIV negativea 0.22 (0.41) 0.20 (0.40) 0.24 (0.43) −0.04 (0.32) 0.25 (0.43)
HIV test refuseda 0.15 (0.35) 0.14 (0.35) 0.15 (0.36) −0.01 (0.70) 0.25 (0.43)
Linked to HIV care 0.34 (0.47) 0.31 (0.46) 0.37 (0.48) −0.06 (0.15) 0.25 (0.43)
n 483 262 221 8000

SD = Standard Deviation. P-value for differences were estimated with a two-tailed t-test. aTesting HIV positive, negative, and refusing the test are mutually exclusive categories