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. 1999 Sep 25;319(7213):828–832. doi: 10.1136/bmj.319.7213.828

Table 1.

Demographic and behavioural characteristics of participants at baseline. Values are numbers (percentages) of participants

Control (n=105) Intervention 1 (n=105) Intervention 2 (n=106) Intervention 3 (n=104) Intervention 4 (n=103) All interventions (n=418)
Sex ratio (men:women) 44:56 36:64 42:58 41:59 45:55 41:59
Age group:
 40-44 27 (26) 28 (27) 20 (19) 32 (31) 20 (19) 100 (24)
 45-49 22 (21) 17 (16) 32 (30) 23 (22) 27 (26) 99 (24)
 50-54 21 (20) 24 (23) 17 (16) 15 (14) 21 (20) 77 (18)
 55-59 13 (12) 16 (15) 22 (21) 13 (13) 15 (15) 66 (16)
 60-64 22 (21) 20 (19) 15 (14) 21 (20) 20 (19) 76 (18)
Marital status:
 Single (never married) 8 (8) 10 (10) 8 (8) 6 (6) 4 (4) 28 (7)
 Married or cohabiting 79 (75) 79 (75) 85 (81) 75 (72) 78 (76) 317 (76)
 Widowed, divorced, or separated 18 (17) 16 (15) 12 (11) 23 (22) 21 (20) 72 (17)
Occupational class:
 Non-manual (I, II, III non-manual) 35 (34) 30 (29) 24 (23) 29 (28) 31 (30) 114 (27)
 Manual (III manual, IV, V) 69 (66) 75 (71) 79 (77) 74 (72) 71 (70) 299 (72)
Employment status:
 Employed full or part time or self employed 52 (50) 52 (50) 53 (50) 58 (56) 55 (53) 218 (52)
 Unemployed and seeking work 13 (12) 11 (11) 17 (16) 6 (6) 7 (7) 41 (10)
 Unable to work due to illness 15 (14) 17 (16) 13 (12) 14 (14) 12 (12) 56 (13)
 Retired 12 (11) 18 (17) 10 (9) 13 (13) 19 (18) 60 (14)
 Looking after home and family, or other 13 (12) 7 (7) 12 (11) 13 (13) 10 (10) 42 (10)
Housing tenure:
 Owner occupier 57 (54) 68 (65) 60 (57) 57 (55) 62 (60) 247 (59)
 Rented from city council 40 (38) 32 (31) 40 (38) 40 (39) 33 (32) 145 (35)
 Rented privately 7 (7) 1 (1) 2 (2) 2 (2) 5 (5) 10 (2)
 Other 1 (1) 4 (4) 4 (4) 5 (5) 3 (3) 16 (4)
Car and phone ownership:
 Car owner 59 (56) 66 (63) 65 (61) 66 (64) 67 (65) 264 (63)
 Phone owner 94 (90) 102 (97) 100 (94) 97 (93) 92 (89) 391 (94)
Age left full time education:
 ⩽14 12 (11) 8 (8) 8 (8) 13 (13) 12 (12) 41 (10)
 15 64 (61) 64 (61) 64 (60) 60 (58) 65 (63) 253 (61)
 16-18 29 (28) 31 (30) 28 (26) 29 (28) 19 (18) 107 (26)
 ⩾19 0 (0) 2 (2) 5 (5) 2 (2) 7 (7) 16 (4)
Physical activity score:
 Level 0 (no sessions moderate or vigorous) 68 (65) 65 (62) 60 (58) 58 (56) 72 (70) 255 (61)
 Level 1 (1-4 sessions moderate or vigorous) 20 (19) 20 (19) 19 (18) 21 (20) 15 (15) 75 (18)
 Level 2 (5-11 sessions moderate or vigorous) 8 (8) 8 (8) 14 (14) 10 (10) 10 (10) 42 (10)
 Level 3 (⩾12 sessions moderate) 5 (5) 7 (7) 4 (4) 9 (9) 1 (1) 21 (5)
 Level 4 (⩾12 sessions moderate or vigorous) 1 (1) 4 (4) 3 (3) 3 (3) 4 (4) 14 (3)
 Level 5 (⩾12 sessions vigorous) 3 (3) 1 (1) 4 (4) 3 (3) 1 (1) 9 (2)
Achieving target level of activity:
 Yes 6 (6) 7 (7) 11 (11) 13 (13) 6 (6) 37 (9)
 No 99 (94) 98 (93) 93 (89) 91 (88) 97 (94) 379 (91) 

Intervention 1: one motivational interview within two weeks of baseline assessment; intervention 2: one motivational interview within two weeks of baseline assessment plus 30 vouchers; intervention 3: six motivational interviews over 12 weeks; intervention 4: six motivational interviews over 12 weeks plus 30 vouchers.