Table 3 Number and proportion of households with varying occupancy in the intervention and control groups, for the “immunisations” and “screenings and NHS Health Check” household populations included in the analysis

N of household members

N of households (% of total)

N of households (% of total)

p-value (Chi-squared test)

Immunisations

 Total

160 (100%)

502 (100%)

-

 1

20 (13%)

144 (29%)

 < 0.01*

 2

35 (22%)

106 (21%)

0.84

 3

26 (16%)

66 (13%)

0.32

 4

21 (13%)

65 (13%)

0.95

 5 or more

58 (36%)

121 (24%)

 < 0.01*

Screenings and NHS Health Check

 Total

120 (100%)

304 (100%)

-

 1

16 (13%)

40 (13%)

0.96

 2

18 (15%)

55 (18%)

0.45

 3

18 (15%)

46 (15%)

0.97

 4

16 (13%)

56 (18%)

0.21

 5 or more

52 (43%)

107 (35%)

0.12