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Table 2 Baseline characteristics of contacts completing IPT follow-up

From: Correlates of isoniazid preventive therapy failure in child household contacts with infectious tuberculosis in high burden settings in Nairobi, Kenya – a cohort study

Characteristic   (N = 368)
N (%)a
Contact’s age (months) ≤ 24 months 208(56.5)
> 24 months 168(43.5)
Gender Male 189(51.1)
Female 179(48.9)
Birth order 1st 154(41.8)
2nd 126(34.2)
≥ 3rd 88(23.9)
Birth weight (grams) < 2500 g 13(2.7)
2500–4000 g 316(85.9)
> 4000 g 39(11.1)
Morbidity patterns ≥ 1 out-patient visit in 1 yr 50(13.6)
≥ 1 hospital admission in 1 yr 41(11.1)
Breast feeding status Exclusive breastfeeding 44(12.0)
Currently breastfeeding 189(34.2)
Not breastfeeding 135(36.6)
Weaning age (months) Not yet weaned 44(12.0)
< 4 months 128(34.7)
4–6 months 196(53.3)
Nutrition statusb Weight faltering/underweight 43(11.7)
Normal (> − 2 z-score) 325(89.9)
BCG vaccination Scar present 300(91.5)
Absent scar 68(18.5)
Visiting social placesc Yes 293(79.3)
No 75(20.7)
TB suggestive symptoms d Yes 126(34.2)
No 242(66.8)
Baseline TST reaction Positive 76(20.6)
Negative 292(79.4)
HIV DNA PCR Positive 25(6.7)
Negative/not done 343(93.3)
  1. aFrequencies are presented in absolute number and percentages, b malnutrition was present in those with any weight faltering on their growth charts and those who had under-nutrition <80%, c Social places visited included churches, mosques, market places, or schools. d TB suggestive symptoms included those with cough 2 weeks, fever 2 weeks, weight loss, fatigue, reduced play, or any swellings. BCG Bacille Calmette-Guerin vaccine, HIV Human Immune Deficiency virus, DNA Deoxyribonucleic acid, PCR polymerase chain reaction, TB tuberculosis, TST tuberculin skin test