TABLE 2.

Estimated regression coefficients from interrupted time‐series analyses

Interruption			Weekly number of antibody tests			Weekly number of RNA tests			Weekly number of first‐time testers			Weekly number of consultation
			Coefficient	95% CI	p‐value	Coefficient	95% CI	p‐value	Coefficient	95% CI	p‐value	Coefficient	95% CI	p‐value
	Period 1 trend	β1	−0.17	−0.35–0.01	.058	−0.21	−0.35 to −0.07	.003	−0.12	−0.26 to 0.01	.075	2.65	−6.65 to 11.95	.574
First lockdown implemented	Absolute level change at start of first lockdown	Β2	−23.2	−38.4 to −8.1	.003	−8.6	−19.3 to 2.1	.115	−18.3	−30 to −6.6	.002	−91	−857.5 to 675.6	.815
	Period 2 trend		1.03	−0.75 to 2.8	.254	0.27	−0.98 to 1.52	.673	0.89	−0.48 to 2.26	.202	57.22	−32.32 to 146.75	.208
	Difference in trends (Period 2 – Period 1)	Β3	1.2	−0.59 to 2.98	.186	0.48	−0.79 to 1.74	.456	1.01	−0.37 to 2.39	.149	54.57	−35.66 to 144.79	.233
Second lockdown implemented	Absolute level change at start of second lockdown	Β4	−17.2	−37 to 2.5	.087	−4.6	−18 to 8.8	.499	−16.4	−31.6 to −1.2	.035	−421.4	−1401.5 to 558.8	.396
	Period 3 trend		0.3	−1.15 to 1.76	.679	0.34	−0.7 to 1.37	.52	0.61	−0.52 to 1.73	.287	−1.15	−74.89 to 72.58	.975
	Difference in trends (Period 3 – Period 2)	Β5	−0.72	−3.02 to 1.58	.535	0.07	−1.62 to 1.76	.934	−0.28	−2.06 to –1.5	.755	−58.37	−176.71 to 59.97	.331
Second lockdown ended	Absolute level change at end of second lockdown	Β6	6.8	−10.2 to 23.8	.430	−4.00	−15.9 to 7.9	.509	1.8	−11.3 to 14.9	.789	−181.2	−1036.7 to 674.2	.676
	Period 4 trend		0.14	−0.42 to 0.71	.618	0.15	−0.28 to 0.57	.494	−0.04	−0.47 to 0.4	.869	31	1.68–60.32	.038
	Difference in trends (Period 4 – Period 3)	Β7	−0.16	−1.72 to 1.4	.839	−0.19	−1.33 to 0.95	.74	−0.64	−1.85 to 0.56)	.294	32.15	−48.02 to 112.33	.429
	Model fit, R 2 (AIC)		0.415 (1007.820)			0.3086 (866.825)			0.451 (940.802)			0.0818 (1957.710)