Table 2. Results of a BMM modelling Lundy island house sparrow provisioning frequencies (visits/hour) on day 7 in quiet and noisy environments. Statistically significant fixed effects are indicated in bold.

	Female provisioning frequency		Male provisioning frequency
Effects	Posterior mode	95% CI	Posterior mode	95% CI
Fixed
Intercept	8.91	5.77–10.63	7.24	4.49–11.03
Noisy environment	−2.31	−3.20– −1.51	−0.85	−2.31–0.27
Laying date	0.009	−0.01–0.02	0.004	−0.01–0.02
Age of Mother	0.23	−0.12–0.56	0.14	−0.21–0.61
Age of Social Father	−0.16	−0.43–0.14	−0.16	−0.50–0.35
Random
Mother ID	0	0.00–0.74	0.002	0.00–0.75

Females: N  = 422, with observations on 147 individuals; males: N  = 420, with observations on 138 individuals.