Distribution by underwear hygiene.

Underwear hygiene and bathing habits	Genital infection history			Test value χ²; p
Underwear hygiene and bathing habits	No n (%)*	Yes n (%)*	Total n (%)**	Test value χ²; p
Type of underwear used
Hosiery/cotton	866 (87.7)	121 (12.3)	987 (93.4)	5.602; 0.018^a
Satin/flannel	54 (77.1)	16 (22.9)	70 (6.6)	5.602; 0.018^a
Frequency of changing underwear
Once a week	37 (84.1)	7 (15.9)	44 (4.2)	5.404; 0.067
Two-three times a week	460 (89.5)	54 (10.5)	514 (48.6)
Daily	423 (84.3)	76 (15.2)	499 (47.2)
Daily pads
Yes	279 (91.8)	25 (8.2)	304 (28.8)	8.490; 0.004^b
None	641 (85.1)	112 (14.9)	753 (71.2)	8.490; 0.004^b
Bathing position
Standing	749 (89.3)	90 (10.7)	839 (79.4)	49.570; 0.000^c
Sitting	12 (44.4)	45 (55.6)	27 (2.6)
Sometimes sitting, sometimes standing	159 (83.2)	32 (16.8)	191 (18.1)
Bathing frequency
Daily / once every 2-3 days	840 (88.9)	105 (11.1)	945 (89.4)	25.534; 0.000^c
Weekly / once every fifteen days	80 (71.4)	32 (28.6)	112 (10.6)
Total	920 (87.0)	137 (13.0)	1057(100.0)

*Percentage by row total, **Percentage by column total
^aStatistically significant at p<0.05
^bStatistically significant at p<0.01
^cStatistically significant at p<0.001

Table 2: Distribution by underwear hygiene and bathing habits of students with and without history of a genital infection.

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