Table 2.
Survey response rates by participant characteristics overall and by study arm
| Characteristic | Arm 1 | Arm 2 | Arm 3 | Arm 4 | Total | p-valuea |
|---|---|---|---|---|---|---|
| Overall | 594/991 (59.9%) | 510/996 (51.2%) | 519/1000 (51.9%) | 379/999 (37.9%) | 2002/3986 (50.2%) | |
| Year of diagnosis | 0.05 | |||||
| 2010-2011 | 294/495 (59.4%) | 247/498 (49.6%) | 258/500 (51.6%) | 171/499 (34.3%) | 970/1992 (48.7%) | |
| 2012-2013 | 300/496 (60.5%) | 263/498 (52.8%) | 261/500 (52.2%) | 208/500 (41.6%) | 1032/1994 (51.8%) | |
| Gender | 0.52 | |||||
| Female | 312/501 (62.3%) | 265/498 (53.2%) | 224/455 (49.2%) | 179/477 (37.5%) | 980/1931 (50.8%) | |
| Male | 282/490 (57.6%) | 245/498 (49.2%) | 295/545 (54.1%) | 200/522 (38.3%) | 1022/2055 (49.7%) | |
| Age at diagnosis (years) | 0.01 | |||||
| <40 | 10/17 (58.8%) | 4/14 (28.6%) | 10/19 (52.6%) | 18/39 (46.2%) | 42/89 (47.2%) | |
| 40-49 | 35/62 (56.5%) | 34/66 (51.5%) | 50/102 (49.0%) | 38/98 (38.8%) | 157/328 (47.9%) | |
| 50-59 | 116/207 (56.0%) | 105/217 (48.4%) | 112/262 (42.7%) | 96/250 (38.4%) | 429/936 (45.8%) | |
| 60-69 | 152/274 (55.5%) | 147/275 (53.5%) | 187/310 (60.3%) | 118/298 (39.6%) | 604/1157 (52.2%) | |
| 70-79 | 192/287 (66.9%) | 123/243 (50.6%) | 114/201 (56.7%) | 88/222 (39.6%) | 517/953 (54.2%) | |
| 80+ | 89/144 (61.8%) | 97/181 (53.6%) | 46/106 (43.4%) | 21/92 (22.8%) | 253/523 (48.4%) | |
| Race/ethnicity | <0.001 | |||||
| Non-Hispanic White | 381/561 (67.9%) | 342/575 (59.5%) | 364/606 (60.1%) | 295/620 (47.6%) | 1382/2362 (58.5%) | |
| African-American | 58/117 (49.6%) | 49/102 (48.0%) | 33/69 (47.8%) | 12/65 (18.5%) | 152/353 (43.1%) | |
| Asian/Pacific Islander | 53/103 (51.5%) | 45/108 (41.7%) | 54/115 (47.0%) | 20/109 (18.3%) | 172/435 (39.5%) | |
| Hispanic | 97/199 (48.7%) | 71/200 (35.5%) | 62/200 (31.0%) | 50/199 (25.1%) | 280/798 (35.1%) | |
| Other/Unknown | 5/11 (45.5%) | 3/11 (27.3%) | 6/10 (60.0%) | 2/6 (33.3%) | 16/38 (42.1%) | |
| Language preference | <0.001 | |||||
| Spanish | 34/72 (47.2%) | 33/83 (39.8%) | 9/41 (22.0%) | 10/40 (25.0%) | 86/236 (36.4%) | |
| English | 542/883 (61.4%) | 454/868 (52.3%) | 500/935 (53.5%) | 364/923 (39.4%) | 1860/3609 (51.5%) | |
| Other/Missing | 18/36 (50.0%) | 23/45 (51.1%) | 10/24 (41.7%) | 5/36 (13.9%) | 56/141 (39.7%) | |
| Socioeconomic status | <0.001 | |||||
| Low | 100/198 (50.5%) | 86/193 (44.6%) | 72/177 (40.7%) | 46/167 (27.5%) | 304/735 (41.4%) | |
| Medium/High | 403/634 (63.6%) | 346/626 (55.3%) | 352/637 (55.3%) | 264/643 (41.1%) | 1365/2540 (53.7%) | |
| Missing | 91/159 (57.2%) | 78/177 (44.1%) | 95/186 (51.1%) | 69/189 (36.5%) | 333/711 (46.8%) | |
| Stage at diagnosis | 0.02 | |||||
| 0 | 60/126 (47.6%) | 65/121 (53.7%) | 52/123 (42.3%) | 35/119 (29.4%) | 212/489 (43.4%) | |
| 1 | 191/305 (62.6%) | 177/338 (52.4%) | 165/313 (52.7%) | 115/310 (37.1%) | 648/1266 (51.2%) | |
| 2 | 163/255 (63.9%) | 138/272 (50.7%) | 120/232 (51.7%) | 97/247 (39.3%) | 518/1006 (51.5%) | |
| 3 | 145/242 (59.9%) | 112/215 (52.1%) | 149/266 (56.0%) | 108/265 (40.8%) | 514/988 (52.0%) | |
| 4 | 27/46 (58.7%) | 14/39 (35.9%) | 25/53 (47.2%) | 22/53 (41.5%) | 88/191 (46.1%) | |
| Unknown | 8/17 (47.1%) | 4/11 (36.4%) | 8/13 (61.5%) | 2/5 (40.0%) | 22/46 (47.8%) |
a
The p-value tests for differences in response rates in the “total” column between characteristic categories.