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Table 4 Effect size estimates of the larviciding intervention on knowledge of malaria transmission

From: Do malaria vector control measures impact disease-related behaviour and knowledge? Evidence from a large-scale larviciding intervention in Tanzania

Outcome: Knowledge of malaria transmission (N = 11,254)

Model 1

Model 2

Model 3

 

PR*

95% CrI†

PR*

95% CrI†

PR*

95% CrI†

Univariate

      

Larviciding intervention

1.01

(0.96-1.05)

1.00

(0.95-1.05)

1.01

(0.95-1.06)

Time since initiation of larviciding (years)

-

-

-

-

0.97

(0.92-1.02)

Multivariable‡

      

Larviciding intervention

1.01

(0.96-1.05)

1.00

(0.95-1.05)

1.02

(0.97-1.07)

Time since initiation of larviciding (years)

-

-

-

-

0.96

(0.92-1.01)

Trend for time (AR1§)

Yes

Yes

Yes

Random effects (TCU)

Yes

Yes

Yes

Fixed effects at ward level

 

Yes

Yes

  1. Statistically significant results are bolded.
  2. *PR: Prevalence ratio.
  3. †CrI: Credible interval.
  4. §AR1: First-order autoregressive.
  5. ‡Control variables include: age, gender, dummy for being a follow-up observation, and socio-economic status.