Table 2. Recall and recognition of warning signs/symptoms.

	2010 % (n)	2012 % (n)	Odds ratio (95% CI)	Adjusted odds ratio (95% CI)	P
Recall
Target symptoms
Persistent cough or hoarseness	18.2 (380)	26.1 (523)	1.59 (1.37–1.85)	1.67 (1.41–1.98)	0.000
Persistent change to bowel/bladder habits	20.9 (437)	42.5 (850)	2.79 (2.43–3.21)	2.86 (2.44–3.36)	0.000
Unexplained bleeding	31.2 (653)	33.2 (664)	1.09 (0.96–1.25)	1.09 (0.93–1.27)	0.282
Other symptoms
Unexplained lump	69.0 (1443)	68.4 (1368)	0.97 (0.85–1.11)	0.92 (0.78–1.08)	0.320
Persistent unexplained pain	24.4 (510)	25.5 (511)	1.06 (0.92–1.22)	0.97 (0.82–1.15)	0.730
Persistent difficulty swallowing	4.5 (93)	4.8 (96)	1.08 (0.81–1.45)	1.15 (0.83–1.60)	0.299
Change in the appearance of a mole	25.2 (527)	23.6 (473)	0.92 (0.80–1.06)	0.94 (0.80–1.11)	0.492
Sore that does not heal	4.7 (99)	6.3 (126)	1.35 (1.03–1.77)	1.37 (0.99–1.88)	0.055
Unexplained weight loss	27.3 (571)	21.8 (436)	0.74 (0.64–0.86)	0.79 (0.67–0.94)	0.013
Recognition
Target symptoms
Persistent cough or hoarseness	67.4 (1393)	78.1 (1551)	1.73 (1.50–1.99)	1.88 (1.58–2.23)	0.000
Persistent change to bowel/bladder habits	86.8 (1794)	90.6 (1799)	1.47 (1.21–1.79)	1.47 (1.14–1.88)	0.003
Unexplained bleeding	83.8 (1732)	86.5 (1718)	1.24 (1.05–1.48)	1.20 (0.97–1.48)	0.086
Other symptoms
Unexplained lump	93.0 (1923)	92.7 (1842)	0.97 (0.76–1.23)	1.02 (0.75–1.38)	0.913
Persistent unexplained pain	73.6 (1523)	71.2 (1414)	0.89 (0.77–1.02)	0.83 (0.70–0.98)	0.027
Persistent difficulty swallowing	75.2 (1556)	74.0 (1469)	0.94 (0.81–1.08)	0.92 (0.77–1.09)	0.322
Change in the appearance of a mole	93.1 (1926)	94.0 (1867)	1.16 (0.90–1.49)	1.04 (0.74–1.47)	0.813
Sore that does not heal	58.9 (1218)	57.6 (1144)	0.85 (0.84–1.07)	0.87 (0.75–1.01)	0.069
Unexplained weight loss	85.0 (1758)	83.1 (1650)	0.87 (0.73–1.03)	0.86 (0.70–1.07)	0.257

Abbreviation: CI=confidence interval.