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Table 1 Demographic and household characteristics of households in rural Andean Peru

From: A factorial cluster-randomised controlled trial combining home-environmental and early child development interventions to improve child health and development: rationale, trial design and baseline findings

 IHIP+IHIPECDControl
NMean (SD) or % (N)NMean (SD) or % (N)NMean (SD) or % (N)NMean (SD) or % (N)
Demographic characteristics78 79 79 81 
 Number of inhabitants per household 4.9 (1.5) 5.1 (1.7) 4.8 (1.4) 5.0 (1.5)
 Child sex (female) 43.6% (34) 50.6% (40) 53.2% (42) 55.6% (45)
 Child age (years)a 1.5 (0.5) 1.5 (0.5) 1.7 (0.5) 1.7 (0.5)
 Child < 1 yeara 20.5% (16) 20.3% (16) 10.1% (8) 9.9% (8)
 Age of caretaker (years) 27.3 (7.1) 28.4 (7.4) 27.2 (6.6) 28.0 (6.9)
Maternal education78 79 79 81 
 None 6.4% (5) 2.5% (2) 5.1% (4) 7.4% (6)
 Primary level completed 30.8% (24) 32.9% (26) 27.9% (22) 23.5% (19)
 Secondary level completed 21.8% (17) 6.3% (5) 17.7% (14) 8.6% (7)
 Higher degrees completed 0% (0) 3.8% (3) 5.1% (4) 1.2% (1)
 Years of schoolingb 6.1 (3.5) 6.1 (3.3) 6.9 (3.5) 5.6 (3.2)
Household characteristics78 79 79 81 
 Adobe wall type 89.7% (70) 92.4% (73) 93.7% (74) 100% (81)
 Earthen floor type 83.3% (65) 89.9% (71) 94.9% (75) 93.8% (76)
 Roof tile type 82.1% (64) 87.3% (69) 86.1% (68) 95.1% (77)
 Household with latrines 55.1% (43) 53.2% (42) 58.2% (46) 61.7% (50)
 Piped water supply 97.4% (76) 98.7% (78) 100% (79) 98.8% (80)
 Electricity 65.4% (51) 82.3% (65) 77.2% (61) 85.2% (69)
  1. a Age calculated for the start of follow-up (April 1st 2016)
  2. b For higher degrees, we assumed: Non-university education not completed (12.5 years), non-university education completed (14 years), university education not completed (13.5 years) and university education completed (16 years)