Variable

Boy

Girl

2^nd Grade n (%)

3^rd grade n (%)

McNemar Test

2^nd Grade n (%)

3^rd grade n (%)

McNemar Test

Acquainted Sexually Transmitted Diseases

510

475

488

459

Chlamydia

260 (51.0)

262 (55.2)

<0.01

156 (32.0)

157 (34.2)

0.049

Gonorrhea

90 (17.6)

106 (22.3)

n.s.

39 (8.0)

67 (14.6)

<0.01

Venereal/Syphilis

150 (29.4)

183 (38.5)

<0.01

83 (17.0)

106 (23.1)

<0.01