Skip to main content

Table 1 Characteristics of included studies

From: The expressed needs of people with Chronic Fatigue Syndrome/Myalgic Encephalomyelitis: A systematic review

Study Country Number of people with CFS/ME* CFS/ME illness Age (years) Female gender Ethnicity and Socioeconomic status
    Duration (years) Severity    
Anonymous 1997[13] United States 1 NR Moderate to severe Adult 100% NR
Asbring 2002[24]; Asbring 2004[21] Sweden 12 1 to 23 A range: full time employed to sick leave, temporary disability or sickness pensions. 32 to 65 100% NR
Ashby et al 2006[27] United Kingdom 10 0.4 to 2 NR 8 to 16 70% NR
Blake 1993[14] Canada 1 NR Severe 29 100% Caucasian, well educated
Carlsen 2003[22] Norway 5 NR NR 23 to 67 80% NR
Clarke 1999[6]; Clarke & James 2003[7] Canada 59 A range 80% Severe; 20% moderate 18 to 80 65% Ethnicity NR; a range of education levels
Denz-Penhey 1993[18] New Zealand 10 NR NR 6 to 18 NR NR
Dumit, 2006[5] United States NR (180,000 on-line discussion postings) NR NR NR NR NR
Edwards et al 2007[8] United Kingdom 8 <1 Moderate to severe 18 + 100% White British, Chinese and mixed; Socioeconomic NR
Garralda & Rangel 2004[10] United Kingdom 28 NR Moderate to severe, but all at school or home tuition 10 to 18 78% A range of ethnicity and social class
Gray & Fossey 2003[35] Australia 5 2 to 10 Severe 16 to 44 NR NR
Green et al 1999[11] United States 44 Mean 4.1 NR 18 to 57 89% A range of ethnicity; socioeconomic NR
Hammond 2002[34] United Kingdom 586 NR NR NR NR NR
Hoad 1994[15] United Kingdom 1 3 Moderate fifties 100% White British; Socioeconomic NR
Horton-Salway 2004[28] United Kingdom 15 NR NR NR NR NR
Jackson 1994[31] United Kingdom 3 2 to 6 Severe 20 to 51 100% NR
Jason et al 1996[40] United States, Canada, Mexico 984 NR A range 18 to 84 99% NR
Lee et al 2001[30] Canada 50 NR Severe 20 to 64 56% NR
Moore 2001[37] United States 1 8 Moderate NR 100% Ethnicity NR; High education
Ong et al 2005[19] United Kingdom 1 17 Severe NR 100% NR
Prins et al 2004[32] The Netherlands 268 2 and more NR 18 to 60 78.5% NR
Rangel et al 2000[41] United Kingdom 25 More than 3 Severe 12 to 20 NR NR
Reynolds and Vivat 2006[26] United Kingdom 3 16 and more Moderate to severe 51 to 62 100% White British; high education and 'home-maker'
Richards et al 2006[33] United Kingdom 21 More than 3 Moderate to severe 11 to 20 62% NR
Roche & Tucker 2003[23] United Kingdom ≈ 474 A range NR 12 to 20 NR NR
Schoofs et al 2004[29] United States 46 NR NR 18 and more 91% NR
Schweitzer et al 1995[36] Australia 47 NR Moderate to severe 26 to 50 70% NR
Sutton 1996[17] United Kingdom 2 15 to 30 Moderate to severe NR 50% NR
Taylor & Kielhofner 2003[12] United States 1 3 Moderate 28 100% 2nd generation Irish immigrants; High education
Taylor 2004[9] United States 47 NR Moderate to severe mean 49 96% A range of ethnicity and social class
Weisstein, 2006[16] United States 1 26 Extremely Severe About 50 100% Non- minority; High education
Whitehead 2006a[25]; 2006b[20] United Kingdom 17 A range Severe 13 to 63 65% NR
  1. NR: not reported