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

Table 2 General correlation between responses of PDA and paper self applied questionnaires (first survey)

Nominal or categorical questions:	N	Agreement	K coefficient	P
Last 12 months, secretion from penis/bad smelling vaginal discharge	173	84.2%	0.54	< 0.0001
Last 12 months, sores or ulcers in penis or genitals	180	93.7%	0.43	< 0.0001
Have you ever had sexual intercourse	177	87.9%	0.67	< 0.0001
Pregnancy ended in an abortion ^a	63	95.2%	0.81	< 0.0001
Spontaneous abortions in the first three months of pregnancy ^a	63	95.2%	0.76	< 0.0001
Have you ever had sexual relation with a prostitute ^b	95	94.4%	0.86	< 0.0001
Have you ever had sexual relation with a transvestite or man ^b	95	86.3%	0.48	< 0.0001
Last sexual partner, male or female ^b	73	98.5%	0.79	< 0.0001
Last sexual partner, how long know this person before you had first sex	129	70.5%	0.63	< 0.0001
Numeric questions:	N	Agreement	Spearman R	P
Age of first sexual intercourse	129	79.8%	0.95	< 0.0001
Number of different people you have had sex in your life	122	79.1%	0.93	< 0.0001
Last 3 months, how many times you had sex with your last partner	31	67.7%	0.76	< 0.0001
Last 3 months, how many times you did not use condoms with your last partner	7	57.1%	0.81	< 0.05

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