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Table 1 Conditional Proportion (CP), Unconditional Proportion (UP) and Accumulated Proportion (AP) of the distribution steps in the poorest and least poor quintiles.

From: System effectiveness of a targeted free mass distribution of long lasting insecticidal nets in Zanzibar, Tanzania

   Registered Arrived at
distribution
point
Received an
LLIN
Child
sleeping
under an
LLIN
System
effectiveness
(AP)
Least poor:
poorest equity
effectiveness
ratio
Micheweni         
Least poor
n = 50
CP
UP
48/50 (96%)
48/50 (96%)
48/48 (100%)
48/50 (96%)
43/48 (90%)
43/50 (86%)
32/43 (74%)
32/50 (64%)
64% 1.5 (Pro-rich)
Poorest
n = 54
CP
UP
38/54 (70%)
38/54 (70%)
36/38 (95%)
43/54 (80%)
32/36 (89%)
37/54 (69%)
24/32 (75%)
32/54 (59%)
44%   
P-value CP
UP
0.0019
0.0019
0.24
0.019
0.93
0.044
0.95
0.65
0.076   
North A         
Least poor
n = 67
CP
UP
65/67 (97%)
65/67 (97%)
65/65 (100%)
65/67 (97%)
64/65 (98%)
64/67 (96%)
58/64 (91%)
59/67 (88%)
87% 1 (Equitable)
Poorest
n = 45
CP
UP
43/45 (96%)
43/45 (96%)
43/43 (100%)
43/45 (96%)
43/43 (100%)
43/45 (96%)
39/43 (91%)
39/45 (87%)
87%   
P-value CP
UP
0.69
0.69
-
0.69
0.43
0.99
0.99
0.82
0.99