Table 2.

Demographic characteristics in participants with and without genotyping: NCI adult brain tumor study, 1994 to 1998

CharacteristicGlioma* (n = 388)Meningioma* (n = 162)Acoustic neuroma* (n = 73)Controls* (n = 553)Total, sent for genotyping (n = 1,176)Total, no. blood samples (n = 405)
Sex
    Male211 (54.4)37 (22.8)26 (35.6)254 (45.9)528 (44.9)194 (47.9)
    Female177 (45.6)125 (77.2)47 (64.4)299 (54.1)648 (55.1)211 (52.1)
Race/ethnicity
    White, non-Hispanic354 (91.2)133 (82.1)66 (90.4)495 (89.5)1,048 (89.1)363 (89.6)
    Hispanic20 (5.2)12 (7.4)6 (8.2)39 (7.1)77 (6.6)23 (5.7)
    Black7 (1.8)9 (5.6)0 (0.0)11 (2.0)27 (2.3)11 (2.7)
    Other7 (1.8)8 (4.9)1 (1.4)8 (1.5)24 (2.0)8 (2.0)
Age at interview (y)
    18-2946 (11.9)2 (1.2)3 (4.1)75 (13.6)126 (10.7)40 (9.9)
    30-49143 (36.9)60 (37.0)31 (42.5)225 (40.7)459 (39.0)139 (34.2)
    50-69134 (34.5)73 (45.1)30 (41.1)182 (32.9)419 (35.6)148 (36.5)
    70-9065 (16.8)27 (16.7)9 (12.3)71 (12.8)172 (14.6)78 (19.3)
Educational level
    <High school38 (10.1)21 (13.0)4 (5.6)72 (13.3)135 (11.5)63 (15.6)
    High school graduate204 (54.4)102 (63.4)33 (45.8)334 (61.9)673 (57.2)232 (57.3)
    College or professional133 (35.5)38 (23.6)35 (48.6)134 (24.8)340 (28.9)99 (24.4)
    Missing1313112811
  • * Characteristics for individuals sent for genotyping.

  • Percent based on nonmissing values.