Uncoupled

Elderly

Behavior

Behavior + Elderly

Number of adjustable parameters

17

21

27

31

First Phase

Iterations

11,588

7412

5784

7505

Chi-Square value

62.6

45.7

35.9

36.4

Second Phase

Iterations

54

36

76

32

Chi-Square value

516.4

496.2

328.0

361.5

% improvement over parent model

98.7

3.9

36.5

30.0