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. 2025 Aug 25;22:82. doi: 10.1186/s12981-025-00780-2

Table 1.

Socio-demographic and clinical characteristics among children and adolescents living with HIV in Tanzania (CALHIV) (N = 63,453)

Characteristics Frequency Percentage
Sex
 Male 27,345 43.1
 Female 36,108 56.9
Baseline age (years)
 1–4 21,852 34.4
 5–9 20,009 31.5
 10–14 11,707 18.5
 15–19 9,885 15.6
Mean (± SD) 7.74 (5.37)
Base WHO clinical staging
 Stage I 26,026 41.0
 Stage II 18,026 29.5
 Stage III 16,112 25.4
 Stage IV 2,565 4.0
Baseline CD4 cells/mm3 (n = 35,478)
 < 200 3,101 8.7
 200–349 1,905 5.4
 >=350 30,472 85.9
Median (IQR) 427 (162–742)
Baseline BMI (Kg/M2) (n = 23,687)
 Underweight 18,478 78.0
 Normal 3,312 13.9
 Overweight 510 2.2
 Obesity 1,387 5.9
Median (IQR) 15.6 (13.9–17.9)
Prior DTG status (n = 54,531)
 Experienced suppressed 34,557 63.4
 Experienced unsuppressed 13,041 23.9
 Naive 6,933 12.7
Duration on ART
 6–12 months 3,833 6.0
 13–24 months 6,108 9.6
 > 24 months 53,512 84.3
DTG regimen (n = 63,303)
 TDF + 3TC + DTG (TLD) 38,645 61.0
 ABC + 3TC + DTG 22,578 35.7
 AZT + 3TC + DTG 2,080 3.3
Ever received MMS
 No 7,476 11.8
 Yes 55,977 88.2
Child exposed to PMTCT
 No 58,217 91.7
 Yes 5,236 8.3
History of TB treatment
 No 57,592 90.8
 Yes 5,861 9.2
Current malnutrition status (n = 56,083)
 No malnutrition 55,601 99.1
 Mild & moderate 450 0.8
 Severe 32 0.1
Regimen
 First line 56,870 89.6
 Second line 6,583 10.4
Retention in care
 In care 63,047 99.4
 Lost to follow up 24 0.1
 Transferred 65 0.1
 Died 317 0.4
Facility type (n = 63,136)
 Dispensary 15,494 24.5
 Health centre 20,665 32.7
 Hospital 26,977 42.7
Facility ownership (n = 63,136)
 Private/FBO 15,066 23.9
 Public 48,070 76.1
Zone (n = 63,136)
 Central zone 6,510 10.3
 Coastal zone 13,400 21.2
 Lake zone 17,152 27.2
 Northern zone 7,536 11.9
 Southern highland 16,907 26.8
 Western zone 1,631 2.6

Frequency (n) do not tally to the total due to missing values

MMS multi-month subscription; PMTCT prevention of mother to child transmission; TB tuberculosis; BMI body mass index; CD4 cluster of differentiation 4; ART antiretroviral therapy; FBO Faith based organizations; DTG dolutegravir; TDF tenofovir; 3TC lamivudine; ABC abacavir; AZT azidothymidine (Zidovudine); ART antiretroviral therapy