Table 2 Association among the total population (N = 947) from 7099 observations between having any gametocytes detected and visit-specific predictor variables from mixed-effect logistic regression, accounting for repeated measures and clustering by household

From: Asymptomatic school-age children carry the majority of transmissible Plasmodium falciparum infections

Visit-specific characteristics

Number of observations, (% of total observations) (N = 7099)

OR of gametocyte-positive infection (95% CI)

Visit type

 Routine

6683 (94.1%)

Ref

 Passive case detection visit

416 (5.9%)

3.15 (1.89, 5.26)

Fever (subjective + objective)

 No Fever

6263 (88.2%)

Ref

 Fever

836 (11.8%)

1.82 (1.22, 2.73)

Net use previous nighta

 No net use

1597 (24.0%)

Ref

 Used net

5070 (76.0%)

0.95 (0.66, 1.37)

Season

 Dry

3492 (49.2%)

Ref

 Rainy

3607 (50.8%)

1.38 (1.08, 1.76)

Previously detected Pf parasitemia

 Never previously having Pf detected

2735 (44.5%)

Ref

 Any Previous Pf detected

3417 (55.5%)

1.42 (0.91, 2.24)

 No Pf detected at previous visit

4770 (77.5%)

Ref

 Pf detected at previous visit

1382 (22.5%)

0.96 (0.69, 1.34)

 Analyses restricted to individuals with at least two visits (N = 6152)

Previously detected gametocytes

 Never previously had gametocytes

5055 (82.2%)

Ref

 Previously had any gametocytes

1097 (17.8%)

3.82 (1.75, 8.33)

 No Gametocytes detected at previous visit

5675 (92.2%)

Ref

 Gametocytes detected at previous visit

477 (7.8%)

0.77 (0.54, 1.11)

Previous symptomatic malaria

 Never previously had symptomatic malaria

4819 (78.3%)

Ref

 Previously had symptomatic malaria

1333 (21.7%)

0.57 (0.35, 0.93)

 No symptomatic malaria at previous visit

5802 (94.3%)

Ref

 Symptomatic malaria at previous visit

350 (5.7%)

0.48 (0.22, 1.01)

  1. Bold text indicates significant results.
  2. Previous symptomatic malaria and previously detected gametocytes analysis were restricted to individuals with two or more visits (N = 843) from 6152 observations.
  3. a432 observations missing values for net use the previous night.