Table 1

Sample descriptive characteristics: mean±SD or % (n)

Past-year smokers (n=38 590)Current smokers (n=36 185)Past-year smokers who attempted to quit (n=13 368)
RYO cigarette smokers
(n=15 641)
Manufactured cigarette smokers
(n=22 949)
P valuesRYO cigarette smokers
(n=14 846)
Manufactured cigarette smokers
(n=21 339)
P valuesRYO cigarette smokers
(n=5118)
Manufactured cigarette smokers
(n=8250)
P values
Age (years)40.72±16.2843.24±17.25<0.00140.79±16.2943.30±17.27<0.00138.32±15.4440.92±16.24<0.001
Sex
 Men60.0 (9384)45.2 (10376)<0.00160.0 (8906)45.2 (9639)<0.00156.8 (2909)43.6 (3598)<0.001
 Women40.0 (6257)54.8 (12 573)40.0 (5940)54.8 (11 700)43.2 (2209)56.4 (4652)
Social grade
 ABC130.2 (4731)39.6 (9095)<0.00129.6 (4391)38.8 (8273)<0.00132.1 (1641)41.0 (3381)<0.001
 C2DE69.8 (10910)60.4 (13 854)70.4 (10455)61.2 (13 066)67.9 (3477)59.0 (4869)
Region
 North32.5 (5089)35.2 (8086)<0.00132.5 (4821)35.2 (7506)<0.00131.5 (1611)35.7 (2945)<0.001
 Central29.8 (4659)29.1 (6675)29.9 (4443)29.2 (6236)31.0 (1585)29.3 (2419)
 South37.7 (5893)35.7 (8188)37.6 (5582)35.6 (7597)37.6 (1922)35.0 (2886)
Cigarettes per day (n)13.03±9.1611.91±8.29<0.00112.92±9.0211.81±8.09<0.00112.64±9.0311.86±8.39<0.001
RYO cigarettes per day (n)12.53±8.980.19±1.06<0.00112.44±8.840.19±1.07<0.00112.05±8.800.21±1.07<0.001
Proportion of RYO cigarettes0.96±0.120.01±0.06<0.0010.96±0.120.01±0.06<0.0010.96±0.130.02±0.07<0.001
Strength of urges to smoke2.03±1.121.89±1.14<0.0012.10±1.081.98±1.09<0.0012.02±1.191.89±1.18<0.001
Weekly spend on cigarettes (£)*14.33±10.7426.79±16.99<0.00114.33±10.7426.79±16.99<0.00114.68±11.1326.64±16.61<0.001
  • Social grade: ABC1 includes managerial, professional and intermediate occupations; C2DE includes small employers and own-account workers, lower supervisory and technical occupations and semiroutine and routine occupations, never workers and long-term unemployed.

  • Strength of urges to smoke: 0 (no urges) to 5 (extremely strong urges).

  • *In current smokers only.

  • RYO, roll-your-own.