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Table 2 Poisson regression analysis of fine motor index, and gross motor index with fall history in cross-sectional study

From: Association of motor index scores with fall incidence among community-dwelling older people

Outcome

Fall history/Total

AIC

B

Unadjusted

PR (95%CI)

P

(*P for trend)

Adjusted

PR (95%CI)

P

(*P for trend)

FINEA

 Total falls

  FINEA = 0

1236/5885

6694.5

0.25

1 (ref.)

 

1 (ref.)

 

  FINEA = 1–3

143/382

  

1.78 (1.50, 2.12)

 < 0.001

1.28 (1.07, 1.54)

0.009

  Ordinal (0–3)

1379/6267

6693.6

0.17

1.49 (1.35, 1.66)

 < 0.001*

1.19 (1.06, 1.34)

0.004*

 Explained falls

  FINEA = 0

989/5638

5695.7

0.14

1 (ref.)

 

1 (ref.)

 

  FINEA = 1–3

85/324

  

1.50 (1.20, 1.87)

 < 0.001

1.15 (0.91, 1.46)

0.231

  Ordinal (0–3)

1074/5962

5694.7

0.13

1.36 (1.17, 1.58)

 < 0.001*

1.14 (0.97, 1.33)

0.116*

 Unexplained falls

  FINEA = 0

244/4893

2075.8

0.63

1 (ref.)

 

1 (ref.)

 

  FINEA = 1–3

56/295

  

3.81 (2.85, 5.09)

 < 0.001

1.88 (1.37, 2.57)

 < 0.001

  Ordinal (0–3)

300/5188

2076.0

0.38

2.31 (1.96, 2.73)

 < 0.001*

1.46 (1.22, 1.76)

 < 0.001*

GROSSA

 Total falls

  GROSSA = 0

1089/5506

6684.8

0.33

1 (ref.)

 

1 (ref.)

 

  GROSSA = 1–5

290/761

  

1.93 (1.69, 2.19)

 < 0.001

1.39 (1.19, 1.62)

 < 0.001

  Ordinal (0–5)

1379/6267

6678.7

0.16

1.34 (1.27, 1.41)

 < 0.001*

1.17 (1.10, 1.25)

 < 0.001*

 Explained falls

  GROSSA = 0

896/5313

5690.9

0.24

1 (ref.)

 

1 (ref.)

 

  GROSSA = 1–5

178/649

  

1.63 (1.38,1.91)

 < 0.001

1.28 (1.05, 1.54)

0.012

  Ordinal (0–5)

1074/5962

5686.9

0.14

1.27 (1.19, 1.36)

 < 0.001*

1.26 (1.06, 1.25)

 < 0.001*

 Unexplained falls

  GROSSA = 0

191/4608

2063.9

0.78

1 (ref.)

 

1 (ref.)

 

  GROSSA = 1–5

109/580

  

4.53 (3.58, 5.74)

 < 0.001

2.18 (1.62, 2.93)

 < 0.001

  Ordinal (0–5)

300/5188

2061.5

0.30

1.77 (1.64, 1.92)

 < 0.001*

1.35 (1.22, 1.49)

 < 0.001*

FINEA + GROSSA

 Total falls

  Group 1

1036/5327

6682.5

0.24

1 (ref.)

 

1 (ref.)

 

  Group 2

253/737

  

1.77 (1.54, 2.03)

 < 0.001

1.34 (1.14, 1.58)

 < 0.001

  Group 3

90/203

  

1.51 (1.36, 1.68)

 < 0.001

1.24 (1.09, 1.40)

 < 0.001

  Ordinal (0–8)

1379/6267

6679.2

0.12

1.24 (1.20, 1.29)

 < 0.001*

1.13 (1.07, 1.18)

 < 0.001*

 Explained falls

  Group 1

861/5152

5691.1

0.17

1 (ref.)

 

1 (ref.)

 

  Group 2

163/647

  

1.51 (1.28, 1.78)

 < 0.001

1.24 (1.03, 1.51)

0.027

  Group 3

50/163

  

1.35 (1.17, 1.56)

 < 0.001

1.14 (0.97, 1.33)

0.110

  Ordinal (0–8)

1074/5962

5687.8

0.10

1.19 (1.14, 1.26)

 < 0.001*

1.11 (1.04, 1.18)

0.001*

 Unexplained falls

  Group 1

173/4466

2056.8

0.59

1 (ref.)

 

1 (ref.)

 

  Group 2

89/573

  

4.01 (3.10, 5.18)

 < 0.001

2.01 (1.46, 2.77)

 < 0.001

  Group 3

38/151

  

2.55 (2.14, 3.04)

 < 0.001

1.76 (1.42, 2.18)

 < 0.001

  Ordinal (0–8)

300/5188

2060.0

0.22

1.51 (1.43, 1.60)

 < 0.001*

1.25 (1.16, 1.34)

 < 0.001*

  1. Group1: FINEA &GROSSA = 0, Group2: FINEA = 0 &GROSSA = 1–5 OR FINEA = 1–3 &GROSSA = 0, Group3: FINEA = 1–3&GROSSA = 1–5. In subgroup analysis of explained falls, the individuals with history of unexplained falls were excluded from total individuals. In subgroup analysis of unexplained falls, the individuals with history of explained falls were excluded from total individuals.5 individuals were excluded from subgroup analysis because of unknown falling type. Adjusted PR: adjusted for age, sex, smoking, DM or high blood sugar, stroke, mini-stroke or TIA, eye disease, history of fainting, exercise, afraid of falling, cognitive impairment, CVD. AIC Akaike Information Criterion, PR Prevalence ratio, 95% CI 95% confidence interval, FINEA Fine motor index, GROSSA Gross motor index, CVD Cardiovascular disease, DM Diabetes, TIA Transient Ischemic Attack
  2. *Represents “P for trend” when FINEA, GROSSA and combined motor index analyzed as ordinal variables
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BMC Geriatrics

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