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Table 2 Multivariate analysis: hole index value per net by person-type adjusted for confounders

From: Which family members use the best nets? An analysis of the condition of mosquito nets and their distribution within households in Tanzania

Hole index Coefficient Coefficient 95% CI Incident Rate Ratio (e^coefficient) Incident Rate Ratio 95% CI P value
Overall ------- ------- ------- ------- F = 22.63 p < 0.0001 α = 3.2 (2.9,3.6)
Constant 1.7 [1.2, 2.2] ------- ------- <0.0001
Person Type      
   Infants (<1 y) ------- ------- ------- ------- -------
   Young Children (1-4 y) 0.25 [0.024,0.48] 1.3 [1.0,1.6] 0.031
   Older Children (5-14 y) 0.28 [0.070,0.50] 1.3 [1.1,1.6] 0.01
   Adult Males (≥15 y) 0.19 [-0.018,0.39] 1.2 [0.98,1.5] 0.074
   Non-Pregnant Females (15-49 y) 0.19 [-0.016,0.39] 1.2 [0.98,1.5] 0.071
   Pregnant Females 0.18 [-0.31,0.66] 1.2 [0.73,1.9] 0.481
   Older Females (≥50 y) 0.28 [-0.006,0.57] 1.3 [0.99,1.8] 0.055
Used Voucher -0.79 [-1.11,-0.47] 0.45 [0.33,0.63] <0.0001
Net Age 0.042 [0.035,0.049] 1.04 [1.04,1.05] <0.0001
Net Size      
   3.5 ft × 6 ft ------- ------- ------- ------- -------
   4 ft × 6 ft -0.28 [-0.50,-0.062] 0.76 [0.61,0.94] 0.012
   6 ft × 6 ft -0.32 [-0.57,-0.066] 0.73 0.57,0.94] 0.014
Net Source      
   Shop ------- ------- ------- ------- -------
   Hawker/Shifting 0.14 [-0.074,0.35] 1.1 [0.93,1.4] 0.204
   Health Facility/Gov/NGO -0.22 [-0.50,0.055] 0.80 [0.61,1.1] 0.115
   Gift/Other/Not Sure -0.22 [-0.55,0.10] 0.80 [0.58,1.1] 0.172
Treatment Status      
   Never Treated ------- ------- ------- ------- -------
   Expired Treatment 0.10 [-0.14,0.34] 1.1 [0.87,1.4] 0.407
   ITN 0.09 [-0.10,0.29] 1.1 [0.90,1.3] 0.345
# of Sleepers Under Same Net -0.067 [-0.16,0.022] 0.93 [0.85,1.0] 0.14
Socioeconomic Status      
   SES Quintile 0 (poorest) ------- ------- ------- ------- -------
   SES Quintile 1 -0.23 [-0.60,0.15] 0.80 [0.55,1.2] 0.237
   SES Quintile 2 0.016 [-0.38,0.41] 1.0 [0.68,1.5] 0.935
   SES Quintile 3 -0.17 [-0.54,0.20] 0.85 [0.59,1.2] 0.378
   SES Quintile 4 (least poor) -0.31 [-0.70,0.074] 0.73 [0.50,1.1] 0.112
  1. Adjusted for the following confounders: whether the net was purchased using a voucher, net age, net size, net source, treatment status, number of sleepers under same net, and socioeconomic status of the household
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