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. 2023 Sep 22;14:1227053. doi: 10.3389/fpsyg.2023.1227053

Table 3.

Baseline characteristics split by abundant animal class knowledge (<7 vs. ≥7).

Non-abundant knowledge (n = 491) Abundant knowledge (n = 245) Missing n (%) Total (N = 736)
Age (mean ± (SD), range []) 56.8 (9.6), [27–79] 59.4 (8.9), [30–78] 0 (0.0) 57.6 (9.4), [27–79]
Sex/gender (% female) 106 (21.6) 25 (10.2) 0 (0.0) 131 (17.8)
Education 6 (0.8)

  • Low (%)

 45 (9.2) 21 (8.6) 66 (9.0)

  • Medium (%)

 325 (66.2) 152 (62.0) 477 (64.8)

  • High (%)

 116 (23.6) 71 (29.0) 187 (25.4)
Animal fluency score/2 min (mean ± SD) 23.2 (8.4) 29.4 (7.9) 25.2 (8.7)
Letter fluency score (mean ± SD) 11.4 (4.5) 12.5 (4.6) 11.8 (4.6)
Profession 97 (13.0)

  • Executive profession (%)

 32 (6.5) 14 (5.7) 46 (6.2)

  • Senior administrative (%)

 79 (16.1) 44 (18.0) 123 (16.7)

  • Technical and related professions (%)

 61 (12.4) 40 (16.3) 101 (13.7)

  • Administrative and sales professions (%)

 68 (13.8) 25 (10.2) 93 (12.6)

  • Craft professions (%)

 81 (16.7) 39 (15.9) 120 (16.4)

  • Uneducated staff (%)

 38 (7.7) 10 (4.1) 48 (6.5)

  • Self-employed (%)

 43 (8.8) 29 (11.8) 72 (9.8)

  • Military profession (%)

 7 (1.6) 4 (1.6) 11 (1.6)

  • Multiple professions (%)

 15 (2.9) 5 (2.0) 20 (2.6)

  • Other (%)

 4 (0.8) 1 (0.4) 5 (0.7)
Working status 5 (0.7)

  • Yes (%)

 196 (39.9) 73 (29.8) 269 (36.5)

  • No, I’m looking for a job (%)

 12 (2.4) 3 (1.2) 15 (2.0)

  • No, I’m houseman/wife (%)

 29 (5.9) 13 (5.3) 42 (5.7)

  • No, I’m retired (%)

 195 (39.7) 135 (55.1) 330 (44.8)

  • No, I’m incapacitated (%)

 48 (9.8) 16 (6.5) 64 (8.7)

  • Other (%)

 6 (1.2) 5 (2.0) 11 (1.5)
MMSE (mean ± SD) 28.6 (1.8) 28.6 (1.6) 0 (0.0) 28.6 (1.7)
MMSE 0 (0.0)
<=26 (%) 36 (7.3) 20 (8.2) 680 (92.4)
>26 (%) 455 (92.7) 225 (91.8) 56 (7.6)
15-WLT

  • Total words (mean ± SD)

 28.5 (10.5) 29.1 (10.2) 3 (0.4) 28.7 (10.4)

  • Delayed recall (mean ± SD)

 8.8 (3.3) 8.8 (3.4) 10 (1.4) 8.8 (3.3)
Rey-Osterrieth (mean ± SD) 19.0 (6.4) 20.4 (6.4) 10 (1.4) 19.4 (6.4)
DART vocabulary 48.5 (15.0) 49.2 (15.0) 9 (1.2) 48.7 (14.8)