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. 2014 Feb 11;2:e256. doi: 10.7717/peerj.256

Table 3. Participants and variables.

Study Author(s) Participants (gender, age) Time of measurement Non-respondents/dropouts Exclusion criteria Cancer site Cancer staging Cancer treatments Time since completion of treatment
1 Harrington, McGurk & Llewellyn (2008) N =76 (55% response rate; 37 Male, 39 Female; Mean Age 66.9, SD 12.6, Range 32–97; 71 White) 0–6mths = 1, 6–12mths = 3, 13–24mths = 7, 25–47mths = 20, 48–72mths = 19, 73–121mths = 26 Significant difference between gender in responders and non-responders (more females responding) Under 18 years of age. Having palliative treatment. Recurrent diagnosis, metastatic disease in other parts of the body (excluding neck nodes), a diagnosis of lymphoma, mental to cognitive impairments or insufficient understanding of English. Not stated Stage 1–2 - N = 53, Stage 3–4 - N = 23 Surgery only - N = 35, Radiotherapy only - N = 10, Surgery and Radiotherapy - N = 30, Surgery, radiotherapy and chemotherapy - N = 1 0–6mths = 1, 6–12mths = 3, 13-24mths = 7, 25–47mths = 20, 48–72mths = 19, 73–121mths = 26
2 Llewellyn et al. (2011) T1. N = 103 (73 Males, 30 Females; Mean Age 63, SD 13.9, Range 23–91; 93 White). T2. N = 68 (Gender, Age, Ethnicity data provided) T1 = Between diagnosis and start of treatment, T2 = 6 months after completion of treatment There were no significant differences between patients included and not included with respect to gender, stage of cancer. 35 people did not complete the second time point. No information is given about they compared at T1 Under 18 years of age. Having palliative treatment. Recurrent diagnosis, metastatic disease in other parts of the body (excluding neck nodes), a diagnosis of lymphoma, mental to cognitive impairments or insufficient understanding of English. Oral Cavity - N = 68, Pharynx - N = 8, Larynx - N = 19, Other - N = 8 Stage 1 - N = 34, Stage 2 - N = 25, Stage 3 - N = 23, Stage 4 - N = 17, Missing data - N = 4 Surgery only - N = 36, Radiotherapy only - N = 25, Chemotherapy only - N = 3, Surgery and Radiotherapy - N = 17, Radiotherapy and chemotherapy - N = 13, Surgery, radiotherapy and chemotherapy - N = 9 Six months at T2
3 Ho et al. (2011) N =50 (21 Male, 29 Female; Mean Age 60, SD 13.06) Mean time was 3.6yrs (SD 0.34) No information is reported Non-native Cantonese speakers, less than 6mths post treatment completion, recurrence Oral Cavity, Oropharynx, gingival, floor of mouth, tongue, salivary glands, buccal mucosa, palate. Numbers at each site not stated. Stage 1–2 - N = 41, Stage 3–4 - N = 5, Missing information - N = 4 Surgery only - N = 34, Surgery and Radiotherapy - N = 16 Mean time was 3.6yrs (SD 0.34)
4 S. Harding & T. Moss, (2013a, unpublished data) N =164 (55% response rate; 108 Male, 56 Female; Mean Age 67.0yrs, SD 12.5) Mean time from completing treatment to completing questionnaires 27.30mths (Range 3–76; SD 21.8) One difference was found between responders and non-responders with a greater number of people from less deprived areas returning questionnaires Less than 3mths post treatment completion, recurrence Oral Cavity - N = 68, Oropharynx - N = 43, Hypo pharynx - N = 17, Larynx - N = 36 Stage Tis - N = 2, Stage 1 - N = 39, Stage 2 - N = 37, Stage 3 - N = 30, Stage 4 - N = 55, Missing data - N = 1 Surgery only - N = 52, Radiotherapy only - N = 35, Chemotherapy only - N = 1, Surgery and Radiotherapy - N = 35, Surgery and chemotherapy - N = 3, Radiotherapy and chemotherapy - N = 24, Surgery, radiotherapy and chemotherapy - N = 14 Mean time from completing treatment to completing questionnaires 27.30mths (Range 3-76; SD 21.8)
5 S. Harding & T. Moss, (2013b, unpublished data) N =163 (55% response rate; 105 Male, 58 Female; Mean Age 68.6yrs, SD 11.2) Mean time from completing treatment to completing questionnaires TP1 = 32.2mths (Range 3-113; SD 27.8), TP2 = 45.1mths (Range 15–125; SD 28.1) Less than 3mths post treatment completion, recurrence Oral Cavity - N = 75, Oropharynx - N = 33, Hypo pharynx - N = 24, Larynx - N = 31 Stage Tis - N = 2, Stage 1 - N = 38, Stage 2 - N = 35, Stage 3 - N = 32, Stage 4 - N = 47, Missing data - N = 9 Surgery only – N = 48, Radiotherapy only - N = 35, Chemotherapy only - N = 0, Surgery and Radiotherapy - N = 44, Surgery and chemotherapy - N = 2, Radiotherapy and chemotherapy - N = 17, Surgery, radiotherapy and chemotherapy - N = 17 Mean time from completing treatment to completing questionnaires TP1 = 32.2mths (Range 3–113; SD 27.8), TP2 = 45.1mths (Range 15–125; SD 45.1)