Table 1

ORs for brain tumours with regular use of a mobile phone and cumulative mobile phone call time in all eligible subjects, subjects with tumour localisation data and subjects with tumour centre estimated by a neuroradiologist*

	All subjects matched to controls or case interviewed within 1 year			Subjects with tumour centre estimated by a neuroradiologist or computer algorithm^†			Only subjects with tumour centre estimated by a neuroradiologist
	Cases	Controls	OR (95% CI)	Cases	Controls	OR (95% CI)	Cases	Controls	OR (95% CI)
Glioma
Regular use
Never regular user	266	834	1.00	196	617	1.00	117	361	1.00
Regular user	542	1629	0.92 (0.75 to 1.13)	355	1103	0.93 (0.73 to 1.18)	209	565	1.06 (0.77 to 1.47)
Cumulative call time without hands-free devices (h)
Never regular user	266	834	1.00	196	617	1.00	117	361	1.00
<13.0	69	234	0.88 (0.63 to 1.24)	44	174	0.83 (0.55 to 1.26)	25	102	0.81 (0.46 to 1.42)
13.0–60.9	103	327	0.93 (0.69 to 1.25)	68	223	0.93 (0.65 to 1.32)	46	134	1.11 (0.71 to 1.75)
61.0–199.9	110	383	0.74 (0.55 to 0.99)	63	264	0.66 (0.46 to 0.96)	39	136	0.81 (0.5 to 01.33)
200–734.9	123	367	0.94 (0.71 to 1.26)	90	237	1.07 (0.76 to 1.50)	46	110	1.03 (0.64 to 1.67)
735+	137	318	1.17 (0.88 to 1.56)	90	205	1.25 (0.88 to 1.77)	53	83	1.72 (1.07 to 2.77)
Meningioma
Regular use
Never regular user	356	807	1.00	294	643	1.00	157	398	1.00
Regular user	486	1 541	0.80 (0.66 to 0.96)	381	1153	0.77 (0.63 to 0.95)	186	648	0.77 (0.58 to 1.03)
Cumulative call time without hands-free devices (h)
Never regular user	356	807	1.00	294	643	1.00	157	398	1.00
<13.0	102	247	0.86 (0.64 to 1.15)	80	198	0.84 (0.60 to 1.16)	43	117	0.87 (0.56 to 1.34)
13.0–60.9	101	301	0.79 (0.60 to 1.04)	82	225	0.80 (0.59 to 1.10)	46	137	0.80 (0.53 to 1.22)
61.0–199.9	97	347	0.71 (0.53 to 0.94)	73	257	0.64 (0.46 to 0.89)	35	156	0.61 (0.39 to 0.96)
200–734.9	89	349	0.69 (0.51 to 0.93)	67	265	0.63 (0.45 to 0.88)	29	141	0.57 (0.35 to 0.94)
735+	97	297	1.01 (0.75 to 1.36)	79	208	1.06 (0.75 to 1.48)	33	97	1.30 (0.79 to 2.15)

↵* Analyses based on unconditional logistic regression stratified on age, sex and region and adjusted for education and timing of interview.
↵† Origin is as estimated by a neuroradiologist when available or as estimated by computer algorithm otherwise.