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Table 1 Significant univariate differences in demographics between different participatory categorisations

From: Patterns of participation over four rounds of annual fecal immunochemical test-based screening for colorectal cancer: what predicts rescreening?

Demographic

Study FIT Participation Pattern n (%)

ChiSquare

Total: IN & OUT

Sustained Participation (IN)

Sustained Non-Participation (OUT)

Gender

 Males

579 (46.6)

338 (44.4)

241 (50.1)

χ2(1) = 3.686, p = .055a

 Females

664 (53.4)

424 (55.6)

240 (49.9)

Total

1243 (100)

762 (100)

481 (100)

 

Age

 50–54

292 (23.5)

128 (16.8)

164 (34.1)

χ2(2) = 55.081, p < .001**

 55–64

607 (48.8)

387 (50.8)

220 (45.7)

 65–74

344 (27.7)

247 (32.4)

97 (20.2)

Total

1243 (100)

762 (100)

481 (100)

 

Employment Status

 Not in Workforce

622 (51.2)

409 (54.8)

213 (45.4)

χ2(1) = 9.681, p = .002*

 In Workforce

594 (48.8)

338 (45.2)

256 (54.6)

Total

1216 (100)

747 (100)

469 (100)

 

Baseline Survey

 No prior FOBT experience

622 (51.0)

342 (45.6)

280 (59.6)

χ2(1) = 22.023, p < .001**

 Prior FOBT experience

598 (49.0)

408 (54.4)

190 (40.4)

Total

1220 (100)

750 (100)

470 (100)

 
 

Total: IN & CHANGE

Sustained Participation (IN)

Changeable (CHANGE)

 

Marital Status

 Unmarried

308 (21.5)

147 (19.4)

161 (23.8)

χ2(1) = 3.728, p = .053a

 Married/DeFacto

1125 (78.5)

609 (80.6)

516 (76.2)

Total

1433 (100)

756 (100)

677 (100)

Age

 50–54

321 (22.2)

128 (16.8)

193 (28.2)

χ2(2) = 30.255, p < .001**

 55–64

713 (49.3)

387 (50.8)

326 (47.6)

 65–74

413 (28.5)

247 (32.4)

166 (24.2)

Total

1447 (100)

762 (100)

685 (100)

 

Employment Status

 Not in Workforce

714 (50.6)

409 (54.8)

305 (45.9)

χ2(1) = 10.587, p = .001**

 In Workforce

697 (49.4)

338 (45.2)

359 (54.1)

Total

1411 (100)

747 (100)

664 (100)

 

Baseline Survey

 No prior FOBT experience

687 (48.4)

342 (45.6)

345 (51.6)

χ2(1) = 4.809, p = .028*

 Prior FOBT experience

732 (51.6)

408 (54.4)

324 (48.4)

Total

1419 (100)

750 (100)

669 (100)

 
 

Total: CHANGE & OUT

Changeable (CHANGE)

Sustained Non-Participation (OUT)

 

Baseline Survey

 No prior FOBT experience

625 (54.9)

345 (51.6)

280 (59.6)

χ2(1) = 6.824, p = 0.009*

 Prior FOBT experience

514 (45.1)

324 (48.4)

190 (40.4)

Total

1139 (100)

669 (100)

470 (100)

 
 

Total: IN & CS

Sustained Participation (IN)

Sustained Change (CS)

 

Gender

 Males

538 (47.3)

338 (44.4)

200 (53.3)

χ2(1) = 7.767, p = .005*

 Females

599 (52.7)

424 (55.6)

175 (46.7)

Total

1137 (100)

762 (100)

375 (100)

 

Age

 50–54

232 (20.4)

128 (16.8)

104 (27.7)

χ2(2) = 18.526, p < 001**

 55–64

551 (48.5)

387 (50.8)

164 (43.7)

 65–74

354 (31.1)

247 (32.4)

107 (28.5)

Total

1137 (100)

762 (100)

375 (100)

 
 

Total: OUT & CS

Sustained Non-Participation (OUT)

Sustained Change (CS)

 

Age

 50–54

268 (31.3)

164 (34.1)

104 (27.7)

χ2(2) = 9.103, p = .011*

 55–64

384 (44.9)

220 (45.7)

164 (43.7)

 65–74

204 (23.8)

97 (20.2)

107 (28.5)

Total

856 (100)

481 (100)

375 (100)

Baseline Survey

 No prior FOBT experience

460 (55.2)

280 (59.6)

180 (49.5)

χ2(1) = 8.096, p = .004*

 Prior FOBT experience

374 (44.8)

190 (40.4)

184 (50.5)

Total

834 (100)

470 (100)

364 (100)

 
 

Total: CI & CS

Intermittent (CI)

Sustained Change (CS)

 

Gender

 Males

336 (49.1)

136 (43.9)

200 (53.3)

χ2(1) = 5.707, p = .017*

 Females

349 (50.9)

174 (56.1)

175 (46.7)

Total

685 (100)

310 (100)

375 (100)

 

Age

 50–54

193 (28.2)

89 (28.7)

104 (27.7)

χ2(2) = 8.970, p = .011*

 55–64

326 (47.6)

162 (52.3)

164 (43.7)

 65–74

166 (24.2)

59 (19.0)

107 (28.5)

Total

685 (100)

310 (100)

375 (100)

 
 

Total: IN & CSIO

Sustained Participation (IN)

Sustained Change (in to out) (CSIO)

 

Gender

 Males

440 (46.1)

338 (44.4)

102 (52.8)

χ2(1) = 4.135, p = .042*

 Females

515 (53.9)

424 (55.6)

91 (47.2)

 

955 (100)

762 (100)

193 (100)

 

Age

 50–54

182 (19.1)

128 (16.8)

54 (28.0)

χ2(2) = 14.240, p < .001**

 55–64

463 (48.5)

387 (50.8)

76 (39.4)

 65–74

310 (32.5)

247 (32.4)

63 (32.6)

Total

955 (100)

762 (100)

193 (100)

 

Tertile of Economic Disadvantage

 High Disadvantage

206 (21.6)

156 (20.5)

50 (25.9)

χ2(2) = 8.432, p = .015*

 Medium Disadvantage

329 (34.5)

253 (33.2)

76 (39.4)

 Low Disadvantage

419 (43.9)

352 (46.3)

67 (34.7)

Total

954 (100)

761 (100)

262 (100)

 

Baseline Survey

 No prior FOBT experience

454 (48.5)

342 (45.6)

112 (60.2)

χ2(1) = 12.167, p < .001**

 Prior FOBT experience

482 (51.5)

408 (54.4)

74 (39.8)

Total

936 (100)

750 (100)

186 (100)

 
 

Total: CSOI & OUT

Sustained Change (out to in) (CSOI)

Sustained Non-Participation (OUT)

 

Baseline Survey

 No prior FOBT experience

348 (53.7)

68 (38.2)

280 (59.6)

χ2(1) = 22.8671, p < .001**

 Prior FOBT experience

300 (46.3)

110 (61.8)

190 (40.4)

Total

648(100)

178 (100)

470 (100)

 
 

Total: CSIO & CSOI

Sustained Change (in to out) (CSIO)

Sustained Change (out to in) (CSOI)

 

Employment Status

 Not in Workforce

179 (49.0)

106 (56.7)

73 (41.0)

χ2(1) = 8.348, p = .004*

 In Workforce

186 (51.0)

81 (43.3)

105 (59.0)

Total

365 (100)

187 (100)

178 (100)

 

Tertile of Economic Disadvantage

 High Disadvantage

86 (22.9)

50 (25.9)

36 (19.8)

χ2(2) = 9.619, p = .008*

 Medium Disadvantage

130 (34.7)

76 (39.4)

54 (29.7)

 Low Disadvantage

159 (42.4)

67 (34.7)

92 (50.5)

Total

375 (100)

193 (100)

182 (100)

 

Education Status

 Lower education (completed high school or lower)

192 (52.6)

110 (59.1)

82 (52.6)

χ2(1) = 5.977, p = .014*

 Higher education (>high school)

173 (47.4)

76 (40.9)

97 (54.2)

Total

365 (100)

186 (100)

179 (100)

 

Baseline Survey

 No prior FOBT experience

180 (49.5)

112 (60.2)

68 (38.2)

χ2(1) = 16.762, p < .001**

 Prior FOBT experience

184 (50.5)

74 (39.8)

110 (61.8)

Total

364 (100)

186 (100)

178 (100)

 
  1. *p < .05; **p < .001
  2. atrend towards significance