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Table 1 Number of samples, participation rates and general characteristics of health facility attendees per survey

From: Using health facility-based serological surveillance to predict receptive areas at risk of malaria outbreaks in elimination areas

 

Quarter 1

Quarter 2

Quarter 3

Quarter 4

Total

(May–July)

(August–October)

(November–January)

(February–April)

 

Sample size, n

2363

2370

2379

2341

9453

n per facility

 Kokap 1

299

300

286

300

1185

 Kokap 2

298

298

297

301

1194

 Samigaluh 1

298

300

298

299

1195

 Samigaluh 2

300

297

300

280

1177

 Kalibawang

296

300

298

263

1157

 Girimulyo 1

285

299

300

299

1183

 Girimulyo 2

300

276

300

299

1175

 Pengasih 2

287

300

300

300

1187

Participation rates

 Mean %

95

96

91

96

94

 Range*

91–99

90–99

82–99

90–100

91–96

 Female, n (%)

1578 (66.8)

1527 (64.4)

1530 (64.3)

1502 (64.2)

6137 (64.9)

 Age, median (IQR)

40 (25–54)

41 (27–54)

42 (27–55)

43 (30–57)

42 (27–55)

 Patients, n (%)

1803 (76.3)

1939 (81.8)

1878 (78.9)

1812 (77.4)

7432 (78.6)

Occupation, n (%)

 Forest workers

655 (27.7)

709 (29.9)

620 (26.1)

800 (34.2)

2784 (29.5)

 Non-forest workers

685 (29.0)

647 (27.3)

738 (31.0)

678 (29.0)

2748 (29.1)

 Not working

1023 (43.3)

1014 (42.3)

1021 (42.9)

859 (36.8)

3917 (41.5)

 Lives in a house with bed net, n (%)

1091 (46.2)

1132 (47.8)

999 (42.0)

777 (33.3)

3999 (42.3)

 Slept under the bed net, n (%)

710 (30.1)

685 (28.9)

666 (28.0)

527 (22.5)

2588 (27.4)

 Recent travel, n (%)

595 (25.2)

581 (24.6)

211 (8.9)

111 (4.7)

1498 (15.9)

 Fever, n (%)

127 (5.4)

116 (5.0)

146 (6.1)

93 (4.0)

484 (5.2)

  1. *Range of health facility-level summaries