Table 1 Characteristics of participants and their daily contacts. The relative numbers of daily contacts (incidence rate ratio, IRR) were obtained from a GEE model with negative binomial distribution and overdispersion parameter equal to 0.14, 95% CI [0.13, 0.16].

From: Individual’s daily behaviour and intergenerational mixing in different social contexts of Kenya

Variable	Category	Participants		Number of contacts		Relative number of contacts
Variable	Category	N	%	Mean	SD	IRR	95% CI
Setting	Rural	512	36.4	11.56	0.23	1	[1.00, 1.00]
	Urban slum	345	24.5	6.73	0.19	0.66	[0.61, 0.72]
	Urban mixed/non-slum	550	39.1	7.72	0.22	0.76	[0.68, 0.84]
Sex	Female	858	61	8.8	0.17	1	[1.00, 1.00]
Sex	Male	549	39	9.1	0.25	0.97	[0.92, 1.03]
Age group	00–01 y	131	9.3	5.53	0.25	0.67	[0.59, 0.76]
	01–05 y	192	13.6	8.7	0.31	0.98	[0.87, 1.09]
	06–14 y	232	16.5	11.28	0.33	1.2	[1.10, 1.32]
	15–18 y	139	9.9	10.49	0.52	1.14	[1.03, 1.26]
	19–34 y	393	27.9	7.89	0.25	1	[1.00, 1.00]
	35–59 y	248	17.6	8.6	0.34	1.04	[0.95, 1.14]
	60+ y	72	5.1	8.13	0.41	0.99	[0.87, 1.13]
HH size	1–2p	203	14.4	6.78	0.36	1	[1.00, 1.00]
	3p	250	17.8	7.35	0.29	1.12	[0.99, 1.27]
	4p	240	17.1	8.36	0.33	1.21	[1.05, 1.39]
	5–6p	364	25.9	9.23	0.25	1.25	[1.09, 1.43]
	7+p	316	22.5	11.83	0.29	1.41	[1.22, 1.63]
	Missing	34	2.4	5.94	0.56	0.94	[0.52, 1.68]
Living arrangements	One generation	455	32.3	7.36	0.24	1	[1.00, 1.00]
	Two generations	810	57.6	9.59	0.18	0.98	[0.90, 1.07]
	Three generations	101	7.2	11.01	0.48	0.95	[0.84, 1.07]
	Missing	41	2.9	6.71	0.77	1.05	[0.61, 1.80]
SES	Low	446	31.7	10.67	0.25	1	[1.00, 1.00]
	Medium	471	33.5	8.46	0.24	1.02	[0.96, 1.09]
	High	490	34.8	7.75	0.22	0.99	[0.89, 1.11]
Education level	Primary	498	35.4	10.11	0.25	1	[1.00, 1.00]
	Secondary	274	19.5	8.15	0.29	0.98	[0.90, 1.06]
	College/university	127	9	6.93	0.44	0.87	[0.77, 0.99]
	None	483	34.3	8.6	0.22	0.99	[0.91, 1.08]
	Missing	25	1.8	5.23	0.44	0.7	[0.59, 0.83]
TU profile	Homestayers	995	70.7	8.45	0.15	1	[1.00, 1.00]
	Workers	127	9	8.96	0.41	1.38	[1.25, 1.52]
	Schoolers	104	7.4	11.56	0.58	1.23	[1.14, 1.34]
	Walkers	108	7.7	10.36	0.52	1.1	[1.02, 1.19]
	Commuters	63	4.5	9.86	0.68	1.21	[1.08, 1.36]
	Travelers	8	0.6	6.01	1.51	1.09	[0.81, 1.48]
	Missing	2	0.1	4.05	1.68	0.56	[0.30, 1.04]
Contact day type	Weekday	894	63.5	8.9	0.16	1	[1.00, 1.00]
Contact day type	Weekend	513	36.5	8.94	0.23	1	[0.96, 1.04]

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Table 1 Characteristics of participants and their daily contacts. The relative numbers of daily contacts (incidence rate ratio, IRR) were obtained from a GEE model with negative binomial distribution and overdispersion parameter equal to 0.14, 95% CI [0.13, 0.16].

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