Table 5.

Seroprevalence of rubella IgM and IgG antibodies among pregnant women according to risk factors

Risk factors	Number analyzed	Rubella IgM			Rubella IgG
		Number positive	Percentage	P-value	Number positive	Percentage	P-value
Marriage type
Polygamous	34	15	44.1	0.469	34	100	0.074
Monogamous	126	47	37.3		115	91.3
Marriage
First	145	57	39.3	0.651	134	92.4	0.269
Second or more	15	5	33.3		15	100
Occupation type
Involving children	78	30	38.5		71	91
Not involving children	25	9	36	0.931	25	100	0.304
Unemployed	57	23	40.4		53	93
Husband’s occupation
Involving children	17	6	35.3		16	94.1
Not involving children	137	53	38.7	0.816	127	92.7	0.776
Unemployed	6	3	50		6	100
Type of housing
Urban	129	50	38.8	0.996	121	93.8	0.492
Rural	31	12	38.7		28	90.3
Number of children living in house
None	62	22	35.5		57	91.9
Below 5	56	25	44.6		50	89.3
5–9	28	11	39.3	0.428	28	100	0.476
10–14	10	3	30		10	100
15–19	1	1	100		1	100
20 and above	3	0	0		3	100

Abbreviation: Ig, immunoglobulin.