Source Case Investigation for Children with TB Disease in Pune, India

Table 1

Sociodemographic and clinical characteristics of pediatric index cases.

Characteristic	Total enrollees; ()	Cases with known; household TB contacts ()	Cases without known household TB contacts ()	value
Personal information
Gender				0.41
Male	29 (58%)	10 (67%)	19 (54%)
Female	21 (42%)	5 (33%)	16 (46%)
Median age, months (IQR)	27 (18–38)	27 (18–45)	28 (18–48)	0.89
Daily contact with people outside home	36 (72%)	10 (67%)	26 (74%)	0.73
Neighbors	32 (64%)	10 (67%)	22 (63%)
Attends school	12 (24%)	3 (20%)	9 (26%)
Extended family	9 (18%)	1 (0.1%)	8 (23%)
Other	3 (6%)	0 (0%)	3 (0.09%)
HIV status				0.54
Positive	9 (18%)	4 (27%)	5 (14%)	0.29
Negative	36 (72%)	10 (67%)	26 (74%)
Unknown	5 (10%)	1 (0.1%)	4 (11%)
Median time between TB diagnosis and start; of TB treatment, days (IQR)	3 (0–15)	17.5 (0–26)	2 (0–9)	0.03
Household information
Location of house				0.29
Urban/periurban	46 (92%)	14 (93%)	32 (91%)
Rural	2 (4%)	1 (0.07%)	1 (0.03%)
Other	2 (4%)	0 (0%)	2 (0.06%)
Family type				0.85
Joint	29 (58%)	9 (60%)	20 (57%)
Nuclear	21 (42%)	6 (40%)	15 (43%)
Median adults in the home (IQR)	3 (2–5)	3(2–6)	3 (2–5)	0.74
Median children in the home (IQR)^a	2 (1–3)	2 (1-2)	2 (2-3)	0.05
House with ≤2 rooms	42 (84%)	12 (80%)	30 (86%)	0.68
House with no windows	32 (64%)	9 (60%)	23 (66%)	0.70
House with 1 person employed for pay	24 (48%)	7 (47%)	17 (49%)	0.90
Monthly household income^b				0.82
$0–63 USD	17 (34%)	6 (40%)	11 (31%)
$63–111 USD	19 (38%)	4 (27%)	15 (43%)
>$111 USD	12 (24%)	4 (27%)	8 (23%)
Refused to Answer	2 (4%)	1 (0.06%)	1 (0.03%)
Primary caretaker education level ≤4th grade	19 (38%)	4 (27%)	15 (43%)	0.35
Moderate to severe food insecurity	12 (24%)	7 (46%)	5 (14%)	0.01

INR: Indian Rupees; IQR indicates interquartile range.
^aThe index case.
^bBased on conversion of 1 USD = 48.5 INR (average for 2010-2011) [4].