. 2021 May 11;12:648002. doi: 10.3389/fpsyg.2021.648002

TABLE 2.

Results of quasi-Poisson regression models predicting depression symptoms as assessed via the Edinburgh Postnatal Depression Scale (EPDS) (n = 153).

Variables	Coef	SE	RRR	LCI	UCI
*Model 1: All alters* –*in person communication (% as exposure)*
(Intercept)	2.405	0.172	11.078	7.897	15.475
In person communication (all alters) – %	0.002	0.002	1.002	0.999	1.005
Age of infant	0.001	0.001	1.001	0.999	1.002
Infant’s ethnicity – non-white	0.044	0.082	1.045	0.889	1.225
Household income – over £100k	−0.054	0.075	0.948	0.817	1.098
In person communication (all alters) – no.	−0.036	0.015	0.965	0.937	0.993
Socially isolating – yes	0.003	0.114	1.003	0.799	1.248
Variance-function-based R²					0.121
Variance-function-based R² – adjusted					0.085
*Model 2: Kin* –*in person communication (% as exposure)*
(Intercept)	2.178	0.173	8.833	6.275	12.384
In person communication (kin) – %	0.003	0.001	1.003	1.001	1.006
Age of infant	0.001	0.001	1.001	0.999	1.002
Infant’s ethnicity – non-white	0.067	0.081	1.069	0.911	1.250
Household income – over £100k	−0.040	0.076	0.961	0.828	1.114
In person communication (kin) – no.	−0.026	0.027	0.975	0.924	1.026
Socially isolating – yes	0.075	0.110	1.078	0.865	1.331
Variance-function-based R²					0.117
Variance-function-based R² – adjusted					0.081
*Model 3: All alters* –*remote communication but not seen (% as exposure)*
(Intercept)	2.732	0.168	15.365	11.007	21.280
Remote communication but not seen (all alters) – %	−0.005	0.002	0.995	0.991	1.000
Age of infant	0.001	0.001	1.001	0.999	1.002
Household income – over £100k	−0.057	0.075	0.944	0.815	1.093
In person communication (all alters) – no.	−0.051	0.017	0.950	0.918	0.983
Remote communication but not seen (all alters) – no.	0.013	0.011	1.013	0.992	1.034
Socially isolating – yes	0.006	0.112	1.006	0.803	1.248
Variance-function-based R²					0.140
Variance-function-based R² – adjusted					0.105

Coef, coefficient; SE, standard error; RRR, relative risk ratio; LCI, 95% lower confidence interval; UCI, 95% upper confidence interval; no., number. Independent variables of interest are in bold.