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Table 1 Significance of individual factors by time period, outcome (destroyed, survived), and outcome × time period for a subset of single-family homes in Paradise, CA. Means for time period, outcome, and outcome × time period (when interaction was significant) are provided below (standard error in parentheses). Levels within variables followed by different letters were significantly different (P<0.05)

From: Housing arrangement and vegetation factors associated with single-family home survival in the 2018 Camp Fire, California

 

N

Lot size (ha)

Dist. nearest struct. (m)

Dist. nearest destr. struct. (m)

Total structures 100 m

Total structures destr. 100 m

% Canopy cover

0–30 m

% Canopy cover

30–100 m

Slope (%)

  

P

Outcome

 

0.946

0.971

<0.001

0.004

<0.001

0.154

0.001

0.532

Time period

 

0.153

0.010

<0.001

0.002

<0.001

<0.001

0.664

0.290

Outcome × time period

 

-

-

0.026

-

-

-

-

-

  

Average (standard error)

Destroyed

296

0.42 (0.07)

15.4 (1.6)

-

10.3a (0.8)

8.9a (0.7)

40.5 (3.1)

49.1a (2.8)

6.9 (0.6)

Survived

104

0.42 (0.08)

15.5 (1.9)

-

8.1b (0.9)

5.5b (0.9)

36.0 (3.7)

40.0b (3.3)

7.2 (0.6)

Before 1997

200

0.30 (0.04)

10.9b (0.8)

-

11.4a (0.4)

9.4a (0.4)

49.5a (1.6)

46.7 (1.4)

6.4 (0.3)

1997-2007

100

0.45 (0.09)

16.1a (2.1)

-

8.0b (1.0)

5.9b (1.0)

35.7b (4.1)

43.7 (3.7)

7.5 (0.7)

2008-2018

100

0.51 (0.17)

19.3ab (4.0)

-

8.1ab (1.9)

6.3ab (1.8)

29.5b (7.9)

43.2 (7.0)

7.2 (1.4)

<1997

Dest.

177

-

-

12.3c (0.8)

-

-

-

-

-

<1997

Surv.

23

-

-

22.3b (2.1)

-

-

-

-

-

1997–2007

Dest.

63

-

-

20.0bc (3.4)

-

-

-

-

-

1997–2007

Surv.

37

-

-

34.6ab (4.4)

-

-

-

-

-

2008–2018

Dest.

56

-

-

16.1bc (6.8)

-

-

-

-

-

2008–2018

Surv.

44

-

-

54.0a (7.7)

-

-

-

-

-