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Table 2 Clinical and demographic characteristics (total n = 162)

From: Self-reported oral health in the Dutch 100-plus Study of cognitively healthy centenarians: an observational cohort study

Age, median (IQR)100.9 (100.2–102.1)
Gender, female N (%)120 (74)
Education, N (%)
 Low76 (47)
 Medium62 (38)
 High23 (14)
 Missing value1 (1)
Cognitive functioning, MMSE, median (IQR)a26 (23–28)
 Missing value, N (%)8 (5)
Living situation, N (%)
 Community-dwelling, or independent in a residence with available services82 (50)
 Fulltime assistance at home residence3 (2)
 In a residential care center67 (41)
 In a nursing home3 (2)
 With family6 (4)
 Missing value1 (1)
Independence in ADL, BI median (IQR)b15 (11–19)
 Independent (scores ≥15), N (%)79 (49)
 Dependent (scores < 15), N (%)61 (38)
 Missing value22 (13)
Mobility, N (%)
 Able to walk independently, with or without a walking stick or walker112 (69)
 Able to walk with help of another person11 (7)
 Able to move independently in a wheelchair11 (7)
 Not able to move independently in a wheelchair9 (5)
 Missing value19 (12)
Prescription medication categories, median (IQR)3 (5–7)
 Cardiac medication, N (%)86 (53)
 Diuretics, N (%)76 (47)
 Anti-coagulants, N (%)73 (45)
 Antacids, N (%)66 (41)
 Analgesic, N (%)41 (25)
 Sedatives, N (%)26 (16)
 Laxatives, N (%)_29 (18)
 Antidiabetics, N (%)8 (5)
 Antidepressants, N (%)4 (3)
 Iron supplements, N (%)11 (7)
 Other, N (%)80 (49)
 Missing value10 (6)
Disease history, yes N (%)
 Cardiovascular disease86 (53)
 Musculoskeletal disease69 (43)
 Sensory problems49 (30)
 Cancer30 (19)
 Autoimmune disease10 (6)
 Other63 (39)
 Missing value55 (34)
Preservation of teeth, N (%)
 Edentulous/no removable complete dental prostheses2 (1)
 Dentate without removable partial dental prosthesis10 (6)
 Dentate with removable partial dental prosthesis16 (10)
 Edentulous and removable complete dental prostheses134 (83)
Oral pain or discomfort, N (%)
 No123 (76)
 Sometimes13 (8)
 Yes7 (4)
 Missing value19 (12)
Chewing ability, N (%)
 Good106 (65)
 Rather good23 (14)
 Poor10 (6)
 Not able3 (2)
 Missing value20 (13)
Xerostomia, median (IQR)c6 (5–7)
 Yes (scores ≥8), N (%)30 (18)
 No (scores < 8), N (%)108 (67)
 Missing value24 (15)
Time period since last visit to an oral health care provider, N (%)
 Less than 1 year29 (18)
 1 to 5 years29 (18)
 5 to 10 years14 (8)
 More than 10 years79 (49)
 Missing value11 (7)
  1. Values are presented by number (N) and percentage (%) or median and IQR. aScore range of the MMSE: 0 to 30. Higer scores indicate better performance. bScore range of the Barthel Index: 0 to 20. Higher scores indicate more independency in ADL. cScore range of the xerostomia questionnaire: 5 to 15. Higher scores indicate more xerostomia symptoms. BI=Barthel Index. MMSE = Mini-Mental State Examination. ADL = Activities of daily living. IQR = Interquartile range. SD = Standard Deviation