TABLE 2.

Characteristics of study controls and glioma and meningioma cases, Phoenix, Arizona, Boston, Massachusetts, and Pittsburgh, Pennsylvania, 1994–1998

	Controls (n = 765)		Glioma (n = 462)		Meningioma (n = 195)
	No.	%	No.	%	No.	%
Age at interview (years)
Median	49		51		54
18–29	78	10.2	45	9.7	4	2.1
30–39	145	19.0	72	15.6	28	14.5
40–49	164	21.4	101	21.9	43	22.1
50–59	148	19.4	74	16.0	44	22.6
60–69	122	16.0	86	18.6	39	20.0
70–79	85	11.1	72	15.6	29	14.8
≥80	23	3.0	12	2.6		4.1
Female gender	415	54.3	201	43.5	149	76.4
Education
Less than high school	101	13.2	62	13.4	23	11.8
High school diploma	230	30.1	120	26.0	57	29.2
Post-high school	434	56.7	280	60.6	115	59.0
Race/ethnicity
White, non-Hispanic	686	89.7	422	91.3	162	83.1
Other	79	10.3	40	8.7	33	16.9
Marital status, married	441	57.7	332	71.9	137	70.3
Hospital location
Phoenix, AZ	382	49.9	232	50.2	98	50.3
Boston, MA	219	28.6	142	30.7	79	40.5
Pittsburgh, PA	164	21.4	88	19.1	18	9.2
Distance from     hospital (miles*)
0–5	252	32.9	118	25.5	57	29.2
>5–15	221	28.9	146	31.6	56	28.7
>15–30	157	20.5	112	24.2	43	22.1
>30–50	56	7.3	38	8.2	17	8.7
>50	79	10.3	48	10.4	22	11.3
Proxy interview	22	2.4	78	15.2	15	7.2
Jewish religion	27	3.5	27	5.8	21	10.8
Household income     ($1,000s)
<15.0	118	16.4	43	9.9	16	9.0
15.0–24.9	110	15.3	71	16.4	31	17.4
25.0–34.9	101	14.1	66	15.2	29	16.3
35.0–49.9	128	17.8	81	18.7	31	17.4
50.0–74.9	143	19.9	78	18.0	32	18.0
≥75.0	119	16.6	95	21.9	39	21.9

^*One mile = 1.61 km.