From: Geographical heterogeneity and influenza infection within households
 | 1st Year |  | 2nd Year |  | 3rd Year |  | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
 | TIV(-) | TIV(+) | p | TIV(-) | Partial TIV | TIV(+) | p | TIV(-) | Partial TIV | TIV(+) | p |
No of household | Â | ||||||||||
Household size# | 3.28 | 3.45 | Â | 4.2 | 7.46 | 3.84 | Â | 3.76 | 7.50 | 4.12 | Â |
 | (3.00,3.58) | (3.18,3.72) |  | (3.83,4.64) | (6.51,8.40) | (3.35,4.34) |  | (3.15,4.36) | (6.06,8.94) | (3.70,4.54) |  |
Location of residence | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
  Taichung | 28(0.47) | 22(0.38) |  | 34(0.30) | 15(0.43) | 29(0.51) | * | 20(0.49) | 9(0.45) | 35(0.30) | * |
  Nantou | 31(0.53) | 43(0.62) |  | 80(0.70) | 20(0.57) | 28(0.49) |  | 21(0.51) | 11(0.55) | 80(0.70) |  |
Participants | Â | ||||||||||
Gender | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
  Male | 31(0.53) | 34(0.52) |  | 71(0.52) | 33(0.47) | 31(0.48) |  | 19(0.41) | 21(0.49) | 75(0.54) |  |
  Female | 28(0.47) | 31(0.48) |  | 66(0.48) | 37(0.53) | 33(0.52) |  | 27(0.59) | 22(0.51) | 65(0.46) |  |
Age (average years)# | 9.24 | 8.00 | * | 9.39 | 9.20 | 9.11 | Â | 10.80 | 9.65 | 9.66 | * |
 | (8.83,9.64) | (7.64,8.36) |  | (9.10,9.68) | (8.75,9.65) | (8.76,9.45) |  | (10.24,11.37) | (9.04,10.26) | (9.39,9.94) |  |
Household contacts | Â | ||||||||||
Gender | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
  Male | 60(0.44) | 63(0.40) |  | 152(0.44) | 78(0.44) | 55(0.40) |  | 40(0.37) | 45(0.42) | 142(0.44) |  |
  Female | 75(0.56) | 96(0.60) |  | 192(0.56) | 100(0.56) | 84(0.60) |  | 68(0.63) | 61(0.58) | 181(0.56) |  |
Age | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
  <18 | 37(0.27) | 43(0.27) |  | 80(0.23) | 45(0.25) | 15(0.11) | * | 31(0.29) | 32(0.30) | 74(0.23) |  |
  ≥18 | 98(0.73) | 116(0.73) |  | 264(0.77) | 133(0.75) | 124(0.89) |  | 77(0.71) | 74(0.70) | 249(0.77) |  |
Age (average years)# | 34.35 | 33.51 | Â | 36.84 | 36.19 | 40.22 | Â | 35.47 | 31.81 | 36.49 | Â |
 | (31.46,37.24) | (30.82,36.20) |  | (34.91,38.77) | (33.51,38.87) | (37.58,42.85) |  | (31.79,39.16) | (28.63,34.99) | (34.55,38.43) |  |
Vaccinated in previous year | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
  Yes | 9(0.07) | 29(0.18) |  | 7(0.02) | 21(0.12) | 23(0.17) | * | 16(0.15) | 18(0.17) | 68(0.21) |  |
  No | 126(0.93) | 130(0.82) |  | 337(0.98) | 157(0.88) | 116(0.83) |  | 92(0.85) | 88(0.83) | 255(0.79) |  |