Magnitude of HIV infection among older people in Mufindi and Babati districts of the Tanzania mainland

Figures & data

Table 1 Demographic characteristics of study participants from household survey

Characteristic	Babati district	Mufindi district	Total
	Number of respondents (percentage)	Number of respondents (percentage)	Number of respondents (percentage)
Age, years
50–59	130 (39.8)	152 (38.7)	282 (39.2)
60–69	91 (27.8)	104 (26.5)	195 (27.1)
70+	106 (32.4)	137 (34.9)	243 (33.8)
Total	327 (100)	393 (100)	720 (100)
Sex
Males	167 (51.1)	173 (44.0)	340 (47.2)
Females	160 (48.9)	220 (56.0)	380 (52.8)
Total	327 (100)	393 (100)	720 (100)
Education
No education	186 (56.9)	232 (59.0)	418 (58.1)
Old standard IV	63 (19.3)	62 (15.8)	125 (17.4)
Standard VII	65 (19.9)	57 (14.5)	122 (16.9)
Above standard VII	13 (4.0)	42 (10.7)	55 (7.6)
Total	327 (100)	393 (100)	720 (100)
Marital status
Married	199 (60.9)	228 (58.0)	427 (59.3)
Never married	4 (1.2)	2 (0.5)	6 (0.8)
Separated	39 (11.9)	22 (5.6)	61 (8.5)
Widowed	85 (26.0)	141 (35.9)	226 (31.4)
Total	327 (100)	393 (100)	720 (100)
Type of marriage
a. Married
Monogamous	150 (75.4)	171 (75.0)	321 (75.2)
Polygamous	49 (24.6)	57 (25.0)	106 (24.8)
Total	199 (100)	228 (100)	427 (100)
b. Separated
Monogamous	24 (61.5)	10 (45.4)	34 (55.7)
Polygamous	15 (38.5)	12 (54.6)	27 (44.3)
Total	39 (100)	22 (100)	61 (100)
c. Widowed
Monogamous	61 (71.7)	98 (69.5)	159 (70.3)
Polygamous	24 (28.3)	43 (30.5)	67 (29.7)
Total	85 (100)	141 (100)	226 (100)
Occupation
Crop farming	281 (85.9)	313 (79.6)	594 (82.5)
Pastoralist	3 (0.9)	2 (0.5)	5 (0.7)
Employee	6 (1.8)	8 (2.0)	14 (1.9)
Retired	3 (0.9)	10 (2.5)	13 (1.8)
Businessman	2 (0.6)	11 (2.8)	13 (1.8)
Traditional healer	1 (0.3)	3 (0.8)	4 (0.6)
Unemployed	20 (6.1)	32 (8.1)	52 (7.2)
Other	11 (3.4)	14 (3.6)	25 (3.5)
Total	327 (100)	393 (100)	720 (100)

Table 2 HIV prevalence by demographic characteristics and residence

Characteristics	n (%)	Crude odds ratio	P-value*	95% CI	Total
Marital status
Married	28 (6.6)	1			422
Never married	1 (20.0)	3.5	0.3	0.4–32.5	5
Separated	7 (11.5)	1.8	0.2	0.8–44	61
Widowed	20 (8.8)	1.4	0.3	0.7–2.5	226
Type of marriage
a. Married
Monogamous	22 (6.9)	1			317
Polygamous	6 (5.7)	0.8	0.7	0.3–2.1	105
b. Separated
Monogamous	4 (11.1)	1			36
Polygamous	3 (12.0)	0.9	0.9	0.2–5.4	25
c. Widowed
Monogamous	14 (9.1)	1			153
Polygamous	6 (8.2)	0.9	0.8	0.3–2.4	73
Residence
Rural	21 (6.1)	1			343
Urban	35 (9.4)	1.6	0.1	0.9–2.8	371
District
Babati	12 (3.7)	1			325
Mufindi	44 (11.3)	3.3	,0.05	1.7–6.4	389
Age category, years
50–59	36 (12.9)	3.8	0.3	0.6–3.9	279
60–69	11 (5.7)	1.6	,0.05	1.8–8.1	193
70+	9 (3.7)	1			242
Sex
Male	25 (7.4)	1			337
Female	31 (8.2)	1.1	0.7	0.6–1.9	377
Education
No education	28 (6.8)	1			413
Old standard IV	3 (2.4)	0.3	0.08	0.1–1.1	125
Standard VII	18 (14.9)	2.4	0.01	1.3–4.5	121
Above standard VII	7 (12.7)	2.0	0.1	0.8–4.8	55

Notes:

* Two-tailed test comparing P-values to preselected value of α=0.05; values less than 0.05 are considered to be statistically significant.

Abbreviation: CI, confidence interval.