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Table 4 Response rates comparison between PDA and paper self applied questionnaires (second survey)

From: Handheld computers for self-administered sensitive data collection: A comparative study in Peru

Nominal or categorical questions: PDA self-applied questionnaire Paper self-applied questionnaire p
Last 12 months, secretion from penis/bad smelling vaginal discharge (yes) 12 (13.6%) 11 (12.0%) 0.83
Last 12 months, sores or ulcers in penis or genitals (yes) 4 (4.2%) 4 (4.4%) 1.00
Have you ever had sexual intercourse (yes) 77 (81.1%) 66 (72.5%) 0.22
Pregnancy ended in an abortion (yes) a 8 (22.9%) 9 (24.3%) 1.00
Spontaneous abortions in the first three months of pregnancy (yes) a 6 (17.1%) 9 (24.3%) 0.57
Have you ever had sexual relation with a prostitute (yes) b 8 (19.1%) 16 (36.4%) 0.09
Have you ever had sexual relation with a transvestite or man (yes) b 2 (4.8%) 2 (4.7%) 1.00
Last sexual partner (male) b 0 (0.0%) 1 (2.4%) 0.72
Last sexual partner, how long know this person before you had first sex (< 30 days) 20 (26.3%) 21 (28.4%) 0.98
Numeric questions:    
Age of first sexual intercourse 17.81 ± 3.43 16.89 ± 2.55 0.07
Number of different people you have had sex in your life 3.17 ± 3.57 3.27 ± 2.92 0.85
Last 3 months, how many times you had sex with your last partner 4.75 ± 6.18 2.94 ± 4.52 0.16
Last 3 months, how many times you did not use condoms with your last partner 3.72 ± 5.62 2.92 ± 2.84 0.63
  1. a Question only applied for women.
  2. b Question only applied for men.