Table 4 Poisson regression analysis of fine motor index, gross motor index with risk of falls in prospective cohort study

FINEA

 Total falls

  FINEA = 0

694/4035

4013.1

0.35

1 (ref.)

1 (ref.)

  FINEA = 1–3

56/180

1.81(1.38, 2.37)

 < 0.001

1.42(1.07, 1.90)

0.016

  Ordinal (0–3)

750/4215

4014.6

0.23

1.49(1.22,1.82)

 < 0.001*

1.26(1.01, 1.56)

0.038*

 Explained falls

  FINEA = 0

523/3864

3308.5

0.41

1 (ref.)

1 (ref.)

  FINEA = 1–3

38/162

1.73(1.25, 2.41)

0.001

1.51(1.07, 2.15)

0.020

  Ordinal (0–3)

561/4026

3310.2

0.25

1.43(1.12,1.84)

0.005*

1.29(0.99,1.68)

0.059*

 Unexplained falls

  FINEA = 0

163/3504

1359.6

0.34

1 (ref.)

1 (ref.)

  FINEA = 1–3

17/141

2.59(1.57, 4.27)

 < 0.001

1.41(0.83, 2.39)

0.209

  Ordinal (0–3)

180/3645

1359.5

0.26

1.91(1.36, 2.69)

 < 0.001*

1.30(0.89,1.90)

0.179*

GROSSA

 Total falls

  GROSSA = 0

660/3885

4016.2

0.19

1 (ref.)

1 (ref.)

  GROSSA = 1–5

90/330

1.61(1.29,2.00)

 < 0.001

1.21(0.95, 1.56)

0.129

  Ordinal (0–5)

750/4215

4017.8

0.06

1.24(1.10, 1.40)

 < 0.001*

1.06(0.92,1.22)

0.401*

 Explained falls

  GROSSA = 0

509/3734

3313.2

0.07

1 (ref.)

1 (ref.)

  GROSSA = 1–5

52/292

1.31(0.98, 1.74)

0.066

1.07(0.78, 1.47)

0.656

  Ordinal (0–5)

561/4026

3313.1

-0.05

1.08(0.91,1.29)

0.376*

0.95(0.78,1.16)

0.619*

 Unexplained falls

  GROSSA = 0

145/3370

1357.1

0.45

1 (ref.)

1 (ref.)

  GROSSA = 1–5

35/275

2.96(2.04, 4.28)

 < 0.001

1.57(1.02, 2.43)

0.041

  Ordinal (0–5)

180/3645

1357.0

0.21

1.62(1.38,1.89)

 < 0.001*

1.24(1.02,1.51)

0.030*

FINEA + GROSSA

 Total falls

  Group 1

636/3783

4012.7

0.22

1 (ref.)

1 (ref.)

  Group 2

82/354

1.36 (1.09, 1.73)

0.006

1.07 (0.82, 1.38)

0.620

  Group 3

32/78

1.56 (1.31, 1.87)

 < 0.001

1.35 (1.11, 1.63)

0.002

  Ordinal (0–8)

750/4215

4016.2

0.08

1.21(1.11, 1.31)

 < 0.001*

1.08(0.98, 1.20)

0.118*

 Explained falls

  Group 1

489/3636

3310.7

0.18

1 (ref.)

1 (ref.)

  Group 2

54/326

1.23 (0.93, 1.63)

0.146

1.04 (0.76, 1.43)

0.794

  Group 3

18/64

1.45 (1.14, 1.83)

0.002

1.31 (1.02, 1.68)

0.033

  Ordinal (0–8)

561/4026

3313.2

0.03

1.13(1.00,1.27)

0.054*

1.03(0.90, 1.19)

0.634*

 Unexplained falls

  Group 1

141/3288

1356.3

0.36

1 (ref.)

1 (ref.)

  Group 2

26/298

2.03 (1.34, 3.09)

 < 0.001

1.07 (0.66, 1.74)

0.772

  Group 3

13/59

2.27 (1.71, 3.01)

 < 0.001

1.62 (1.17, 2.23)

0.004

  Ordinal (0–8)

180/3645

1356.9

0.16

1.43(1.27,1.59)

 < 0.001*

1.18(1.02,1.36)

0.023*