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Table 3 Effect size estimates of the larviciding intervention on knowledge of at least five malaria symptoms

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

Outcome: Symptoms knowledge (N = 11,254) Model 1 Model 2 Model 3
  PR* 95% CrI† PR* 95% CrI† PR* 95% CrI†
Univariate       
Larviciding intervention 0.91 (0.87-0.95) 0.88 (0.83-0.92) 0.87 (0.82-0.92)
Time since initiation of larviciding (years) - - - - 1.03 (0.99-1.07)
Multivariable‡       
Larviciding intervention 0.91 (0.87-0.95) 0.88 (0.83-0.92) 0.87 (0.82-0.92)
Time since initiation of larviciding (years) - - - - 1.01 (0.98-1.05)
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.