Table 1.

Characteristics of HIV-positive and HIV-negative women who participated in cervical cancer screening studies in Khayelitsha, South Africa.

	Overall (N = 9,421)	HIV-positive (N = 1,371)	HIV-negative (N = 8,050)	p-Value
Median age (25th and 75th percentile)	37 years (31–44 years)	34 years (26–38 years)	38 years (33–45 years)	<0.0001
% ≤10 years of education	80.5% (7,579/9,421)	75.7% (1,038/1,371)	81.3% (6,541/8,050)	<0.0001
% Currently employed	30.6% (2,878/9,401)	26.2% (359/1,370)	31.4% (2,519/8,031)	0.0001
% Smoker	5.5% (521/9,417)	6.5% (89/1,370)	5.4% (432/8,047)	0.0914
% Married	44.0% (4,148/9,421)	26.9% (369/1,371)	46.9% (3,779/8,050)	<0.0001
Median age of first sexual intercourse (n; range)	17 years (9,416; 6–39 years)	16 years (1,369; 7–30 years)	17 years (8,047; 6–39 years)	<0.0001
% Ever treated for STD	9.1% (858/9,403)	14.6% (200/1,371)	8.2% (658/8,032)	<0.0001
% Ever used condoms	27.2% (2,288/8,404)	40.6% (524/1,290)	24.8% (1,764/7,114)	<0.0001
% Disease status
WNL	91.3% (8,601/9,421)	75.3% (1,032/1,371)	94.0% (7,569/8,050)	<0.0001a
CIN 1	5.0% (473/9,421)	15.5% (212/1,371)	3.2% (261/8,050)
CIN 2	2.5% (231/9,421)	7.2% (99/1,371)	1.6% (132/8,050)
CIN 3	1.2% (116/9,421)	2.0% (28/1,371)	1.1% (88/8,050)
% HPV DNA positive (HPV prevalence)	25.4% (2,389/9,421)	52.4% (719/1,371)	20.7% (1,670/8,050)	<0.0001
% Disease status among HPV positives
WNL	70.3% (1,679/2,389)	55.2% (397/719)	76.8% (1,282/1,670)	–
CIN 1	16.6% (396/2,389)	27.2% (196/719)	12.0% (200/1,670)	<0.0001b
CIN 2	8.7% (207/2,389)	13.8% (99/719)	6.5% (108/1,670)	<0.0001b
CIN 3	4.5% (107/2,389)	3.8% (27/719)	4.8% (80/1,670)	0.7081b

STD, sexually transmitted disease; HPV, human papillomavirus; WNL, within normal limits; CIN, cervical intraepithelial neoplasia;

^ap-value for trend;

^bp-value of the comparison of cervical disease with WNL between HIV-positive and -negative women.