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Table 2 Study population characteristics

From: Reduction of malaria prevalence after introduction of artemisinin-combination-therapy in Mbeya Region, Tanzania: results from a cohort study with 6773 participants

Site

Igurusi

Mlowo

Santylia

Isongole

Total

Number of participants

1126

1956

1802

1889

6773

Proportion of females; n/N (%)

593/1126 (0.53)

1027/1956 (0.53)

1001/1802 (0.56)

1045/1889 (0.55)

3666/6773 (0.54)

Median age at visit 1 in years (IQR)

16.5 (8.3; 36.1)

14.9 (7.8; 33.1)

16.0 (7.3; 34.2)

16.0 (7.8; 3.4)

15.7 (7.6; 34.7)

Bed net ownership; n/N (%)

 Visit 1

1030/1126 (91.5%)

646/1956 (33.0%)

0/1802 (0.0%)

4/1889 (0.2%)

1680/6773 (24.8%)

 Visit 2

998/1126 (88.6%)

796/1956 (40.7%)

32/1802 (1.8%)

31/1889 (1.6%)

1857/6773 (27.4%)

 Visit 3

1022/1083 (94.4%)

1033/1845 (56.0%)

0/1622 (0.0%)

27/1762 (1.5%)

1082/6312 (33.0%)

Change in bed net ownership (visit 1 to visit 2)

− 3.1%

+ 23.2%

NA

+ 681%

+ 10.5%

Median SES-score (IQR)

 Visit 1

0.01 (− 0.49; 0.64)

0.13 (− 0.23; 0.63)

− 0.42 (− 0.75; − 0.06)

− 0.36 (− 0.73; 0.00)

− 0.17 (− 0.58; 0.23)

 Visit 2

− 0.02 (− 0.44; 0.54)

0.16 (− 0.25; 0.71)

− 0.52 (− 0.82; − 0.14)

− 0.42 (− 0.73; 0.14)

− 0.21 (− 0.62; 0.32)

 Visit 3

0.06 (− 0.54; 0.61)

0.37 (− 0.13; 0.85)

− 0.51 (− 0.84; − 0.02)

− 0.37 (− 0.80; 0.20)

− 0.14 (− 0.66; 0.45)

P. falciparum RDT positivity; n/N (%)

 Visit 1

82/1126 (7.3%)

60/1956 (3.1%)

7/1802 (0.4%)

17/1889 (0.9%)

166/6773 (2.5%)

 Visit 2

4/1126 (0.4%)

9/1956 (0.5%)

3/1802 (0.2%)

11/1889 (0.6%)

27/6773 (0.4%)

 Visit 3

9/980 (0.9%)

4/1670 (0.2%)

1/1447 (0.1%)

0/1479 (0.0%)

14/5576 (0.3%)

Change in RDT + (visit 1 to visit 2) (%)

− 95.1

− 85.0

− 56.4

− 35.6

− 83.7