Gravid oviposition sticky trap and dengue non-structural 1 antigen test for early surveillance of dengue in multi-storey dwellings: study protocol of a cluster randomized controlled trial

Table 1 Characteristics of the study arms and the number of traps in each apartment

	No. blocks	Total No. of units (residential units)	No. of floors in each block	No. of floors with traps in each block	No. of individual stairway leading to residential units	No. traps in each block	Total No. traps
Intervention
Suria	8	767 (444)	5	2	6–8	12–16	114
Harmoni	19	2380 (2356)	5	2	NA	6	114
Park Avenue	2	316 (316)	17/18	6	NA	16–17	33
Impian	6	668(660)	5	2	NA	6	36
Total	35	4131 (3776)
Control
Vista	15	920 (736)	5	1–2	5–7	3–5	66
Lestari	9	2002 (1982)	5–15	2–6	NA	2–6	25
Indah	2	120 (120)	5	2	NA	2	4
Permai	12	1379 (1365)	5	2	NA	2–3	28
Total	38	4421 (4203)

ISSN: 2049-9957